[{"publication":"Proceedings of the 18th European Conference on Information Systems (ECIS 2010)","type":"conference","abstract":[{"text":"Enduring doubts about the value of IS investments reveal that IS researchers have not fully managed to identify and to explain the economic benefits of IS. Three research tasks are essential requisites on the path towards addressing this criticism: the synthesis of knowledge, the identification of lack of knowledge, and the proposition of paths for closing knowledge gaps. This paper considers each of these tasks by a) synthesizing key research findings based on a comprehensive literature review, b) identifying and unfolding key limitations of current research, and c) applying a decision-theoretic perspective, which opens new horizons to IS business value research and shows paths for overcoming the limitations. The adoption of this perspective results in a decision-theoretic foundation of IS business value research and includes the proposition of a consistent terminology and a research model that frames further research.","lang":"eng"}],"status":"public","file":[{"file_id":"6193","access_level":"open_access","file_name":"IS business value - ECIS - Final Version.pdf","file_size":174368,"creator":"hsiemes","date_created":"2018-12-11T15:24:22Z","date_updated":"2018-12-13T15:20:37Z","relation":"main_file","content_type":"application/pdf"}],"_id":"5632","department":[{"_id":"277"}],"user_id":"61579","keyword":["Decision theory","IT value","IS assessment","IS evaluation"],"ddc":["000"],"extern":"1","file_date_updated":"2018-12-13T15:20:37Z","language":[{"iso":"eng"}],"has_accepted_license":"1","year":"2010","citation":{"bibtex":"@inproceedings{Schryen_Bodenstein_2010, title={A decision-theoretic foundation of IS business value research}, booktitle={Proceedings of the 18th European Conference on Information Systems (ECIS 2010)}, author={Schryen, Guido and Bodenstein, Christian}, year={2010} }","short":"G. Schryen, C. Bodenstein, in: Proceedings of the 18th European Conference on Information Systems (ECIS 2010), 2010.","mla":"Schryen, Guido, and Christian Bodenstein. “A Decision-Theoretic Foundation of IS Business Value Research.” <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","apa":"Schryen, G., &#38; Bodenstein, C. (2010). A decision-theoretic foundation of IS business value research. In <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>.","chicago":"Schryen, Guido, and Christian Bodenstein. “A Decision-Theoretic Foundation of IS Business Value Research.” In <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","ieee":"G. Schryen and C. Bodenstein, “A decision-theoretic foundation of IS business value research,” in <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>, 2010.","ama":"Schryen G, Bodenstein C. A decision-theoretic foundation of IS business value research. In: <i>Proceedings of the 18th European Conference on Information Systems (ECIS 2010)</i>. ; 2010."},"date_updated":"2022-01-06T07:02:14Z","oa":"1","date_created":"2018-11-14T14:24:25Z","author":[{"id":"72850","full_name":"Schryen, Guido","last_name":"Schryen","first_name":"Guido"},{"full_name":"Bodenstein, Christian","last_name":"Bodenstein","first_name":"Christian"}],"title":"A decision-theoretic foundation of IS business value research"},{"citation":{"short":"G. Schryen, in: Proceedings of the First Scandinavian Conference on Information Systems (SCIS), 2010.","mla":"Schryen, Guido. “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness.” <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010.","bibtex":"@inproceedings{Schryen_2010, title={An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness}, booktitle={Proceedings of the First Scandinavian Conference on Information Systems (SCIS)}, author={Schryen, Guido}, year={2010} }","apa":"Schryen, G. (2010). An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness. In <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>.","ama":"Schryen G. An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness. In: <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>. ; 2010.","chicago":"Schryen, Guido. “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness.” In <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010.","ieee":"G. Schryen, “An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness,” in <i>Proceedings of the First Scandinavian Conference on Information Systems (SCIS)</i>, 2010."},"year":"2010","has_accepted_license":"1","title":"An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness","author":[{"first_name":"Guido","last_name":"Schryen","full_name":"Schryen, Guido","id":"72850"}],"date_created":"2018-11-14T14:36:26Z","oa":"1","date_updated":"2022-01-06T07:02:18Z","file":[{"date_updated":"2018-12-13T15:17:00Z","date_created":"2018-12-11T15:14:51Z","creator":"hsiemes","file_size":302340,"access_level":"open_access","file_name":"2010_Book_ScandinavianInformationSystems - Schryen.pdf","file_id":"6186","content_type":"application/pdf","relation":"main_file"}],"status":"public","abstract":[{"text":"Enduring doubts about the value of IS investments reveal that IS researchers have not fully managed to identify and to explain the economic benefits of IS. This paper assumes that literature reviews, which represent a powerful instrument for the identification and synthesis of knowledge, have not tapped their full potential to address this issue due to deficiencies in methodology. The analysis of 18 literature reviews published in pertinent academic outlets during the past 20 years shows such deficiencies. Two of the most critical weaknesses identified are (1) the lack of theory use in most reviews and (2) a weak linkage of reviews, resulting in little progress in theory and framework development. The systematic identification of these weaknesses and the extraction of promising methodological examples from past literature are the main contributions of this work, which supports the composition of more effective literature reviews in future research.","lang":"eng"}],"type":"conference","publication":"Proceedings of the First Scandinavian Conference on Information Systems (SCIS)","extern":"1","language":[{"iso":"eng"}],"file_date_updated":"2018-12-13T15:17:00Z","ddc":["000"],"keyword":["Literature review","Business value","Information systems","Methodology","Theory"],"user_id":"61579","department":[{"_id":"277"}],"_id":"5643"},{"issue":"5","publication_identifier":{"issn":["1937-0652"]},"publication_status":"published","intvolume":"         4","page":"493-508","citation":{"chicago":"Fouvry, Étienne, and Jürgen Klüners. “On the Spiegelungssatz for the 4-Rank.” <i>Algebra &#38;amp; Number Theory</i> 4, no. 5 (2010): 493–508. <a href=\"https://doi.org/10.2140/ant.2010.4.493\">https://doi.org/10.2140/ant.2010.4.493</a>.","ieee":"É. Fouvry and J. Klüners, “On the Spiegelungssatz for the 4-rank,” <i>Algebra &#38;amp; Number Theory</i>, vol. 4, no. 5, pp. 493–508, 2010, doi: <a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>.","ama":"Fouvry É, Klüners J. On the Spiegelungssatz for the 4-rank. <i>Algebra &#38;amp; Number Theory</i>. 2010;4(5):493-508. doi:<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>","short":"É. Fouvry, J. Klüners, Algebra &#38;amp; Number Theory 4 (2010) 493–508.","mla":"Fouvry, Étienne, and Jürgen Klüners. “On the Spiegelungssatz for the 4-Rank.” <i>Algebra &#38;amp; Number Theory</i>, vol. 4, no. 5, Mathematical Sciences Publishers, 2010, pp. 493–508, doi:<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>.","bibtex":"@article{Fouvry_Klüners_2010, title={On the Spiegelungssatz for the 4-rank}, volume={4}, DOI={<a href=\"https://doi.org/10.2140/ant.2010.4.493\">10.2140/ant.2010.4.493</a>}, number={5}, journal={Algebra &#38;amp; Number Theory}, publisher={Mathematical Sciences Publishers}, author={Fouvry, Étienne and Klüners, Jürgen}, year={2010}, pages={493–508} }","apa":"Fouvry, É., &#38; Klüners, J. (2010). On the Spiegelungssatz for the 4-rank. <i>Algebra &#38;amp; Number Theory</i>, <i>4</i>(5), 493–508. <a href=\"https://doi.org/10.2140/ant.2010.4.493\">https://doi.org/10.2140/ant.2010.4.493</a>"},"year":"2010","volume":4,"author":[{"first_name":"Étienne","full_name":"Fouvry, Étienne","last_name":"Fouvry"},{"first_name":"Jürgen","last_name":"Klüners","id":"21202","full_name":"Klüners, Jürgen"}],"date_created":"2022-12-23T09:10:12Z","date_updated":"2023-03-06T10:18:14Z","publisher":"Mathematical Sciences Publishers","doi":"10.2140/ant.2010.4.493","title":"On the Spiegelungssatz for the 4-rank","publication":"Algebra &amp; Number Theory","type":"journal_article","status":"public","abstract":[{"lang":"eng","text":"Let d be a nonsquare positive integer. We give the value of the natural probability that the narrow ideal class groups of the quadratic fields ℚ(√d) and ℚ(√−d) have the same 4-ranks. "}],"department":[{"_id":"102"}],"user_id":"93826","_id":"34887","language":[{"iso":"eng"}],"keyword":["Algebra and Number Theory"]},{"citation":{"chicago":"Buhl, Heike M., Franziska Möller, Manuela Oebser, Freia Stein, and Peter Noack. “Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter.” <i>Diskurs Kindheits- und Jugendforschung</i> 1 (2009): 75–90.","ieee":"H. M. Buhl, F. Möller, M. Oebser, F. Stein, and P. Noack, “Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter,” <i>Diskurs Kindheits- und Jugendforschung</i>, vol. 1, pp. 75–90, 2009.","ama":"Buhl HM, Möller F, Oebser M, Stein F, Noack P. Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter. <i>Diskurs Kindheits- und Jugendforschung</i>. 2009;1:75-90.","short":"H.M. Buhl, F. Möller, M. Oebser, F. Stein, P. Noack, Diskurs Kindheits- und Jugendforschung 1 (2009) 75–90.","bibtex":"@article{Buhl_Möller_Oebser_Stein_Noack_2009, title={Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter}, volume={1}, journal={Diskurs Kindheits- und Jugendforschung}, author={Buhl, Heike M. and Möller, Franziska and Oebser, Manuela and Stein, Freia and Noack, Peter}, year={2009}, pages={75–90} }","mla":"Buhl, Heike M., et al. “Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter.” <i>Diskurs Kindheits- und Jugendforschung</i>, vol. 1, 2009, pp. 75–90.","apa":"Buhl, H. M., Möller, F., Oebser, M., Stein, F., &#38; Noack, P. (2009). Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter. <i>Diskurs Kindheits- und Jugendforschung</i>, <i>1</i>, 75–90."},"page":"75 - 90","intvolume":"         1","year":"2009","publication_status":"published","main_file_link":[{"url":"https://www.ssoar.info/ssoar/bitstream/handle/document/33446/ssoar-disk-2009-1-buhl_et_al-Zusammenhange_zwischen_der_Fahigkeit_zur.pdf","open_access":"1"}],"title":"Zusammenhänge zwischen der Fähigkeit zur Perspektivenübernahme und dem Textverstehen im Vor- und Grundschulalter","date_created":"2022-08-02T23:58:56Z","author":[{"first_name":"Heike M.","id":"27152","full_name":"Buhl, Heike M.","last_name":"Buhl"},{"first_name":"Franziska","last_name":"Möller","full_name":"Möller, Franziska"},{"first_name":"Manuela","full_name":"Oebser, Manuela","last_name":"Oebser"},{"full_name":"Stein, Freia","last_name":"Stein","first_name":"Freia"},{"first_name":"Peter","last_name":"Noack","full_name":"Noack, Peter"}],"volume":1,"oa":"1","date_updated":"2022-08-29T04:44:12Z","status":"public","abstract":[{"lang":"ger","text":"Im vorliegenden Beitrag wird der Zusammenhang zwischen der Fähigkeit zur Perspektivenübernahme und sinnverstehendem Lesen dargestellt. Auf der Grundlage von Arbeiten zum Textverstehen sowie zu Perspektivenübernahme und Theory of Mind wurde ein positiver Zusammenhang zwischen Perspektivenübernahmefähigkeit und Textverstehensleistung erwartet. Diese Hypothese wurde an zwei Stichproben unterschiedlichen Alters geprüft: In der ersten Studie beantworteten 37 Vorschulkinder Fragen zu vorgelesenen Geschichten sowie Perspektivenübernahme-Aufgaben. Zwischen den Bereichen fand sich eine deutliche positive Korrelation, die bei\r\nKontrolle der Intelligenz erhalten blieb. An der zweiten Studie nahmen 69 Grundschulkinder der\r\ndritten Jahrgangsstufe teil, die Texte lasen und Aufgaben dazu wie auch zur Perspektivenübernahme bearbeiteten. In dieser Stichprobe fand sich der erwartete Zusammenhang ausschließlich\r\nin der Teilgruppe der guten Leser. Er blieb bei Kontrolle der Intelligenz erhalten. Die Ergebnisse\r\nwerden auch in Hinblick auf die Förderung der Lesekompetenz diskutiert."}],"type":"journal_article","publication":"Diskurs Kindheits- und Jugendforschung","extern":"1","language":[{"iso":"ger"}],"keyword":["Textverstehen","Lesekompetenz","Perspektivenübernahme","Theory of Mind","Kindesalter"],"user_id":"42165","department":[{"_id":"427"}],"_id":"32519"},{"author":[{"last_name":"Belabas","full_name":"Belabas, Karim","first_name":"Karim"},{"full_name":"van Hoeij, Mark","last_name":"van Hoeij","first_name":"Mark"},{"first_name":"Jürgen","last_name":"Klüners","id":"21202","full_name":"Klüners, Jürgen"},{"first_name":"Allan","last_name":"Steel","full_name":"Steel, Allan"}],"volume":21,"date_updated":"2023-03-06T09:09:56Z","doi":"10.5802/jtnb.655","publication_status":"published","publication_identifier":{"issn":["1246-7405"]},"citation":{"ama":"Belabas K, van Hoeij M, Klüners J, Steel A. Factoring polynomials over global fields. <i>Journal de Théorie des Nombres de Bordeaux</i>. 2009;21(1):15-39. doi:<a href=\"https://doi.org/10.5802/jtnb.655\">10.5802/jtnb.655</a>","ieee":"K. Belabas, M. van Hoeij, J. Klüners, and A. Steel, “Factoring polynomials over global fields,” <i>Journal de Théorie des Nombres de Bordeaux</i>, vol. 21, no. 1, pp. 15–39, 2009, doi: <a href=\"https://doi.org/10.5802/jtnb.655\">10.5802/jtnb.655</a>.","chicago":"Belabas, Karim, Mark van Hoeij, Jürgen Klüners, and Allan Steel. “Factoring Polynomials over Global Fields.” <i>Journal de Théorie Des Nombres de Bordeaux</i> 21, no. 1 (2009): 15–39. <a href=\"https://doi.org/10.5802/jtnb.655\">https://doi.org/10.5802/jtnb.655</a>.","bibtex":"@article{Belabas_van Hoeij_Klüners_Steel_2009, title={Factoring polynomials over global fields}, volume={21}, DOI={<a href=\"https://doi.org/10.5802/jtnb.655\">10.5802/jtnb.655</a>}, number={1}, journal={Journal de Théorie des Nombres de Bordeaux}, publisher={Cellule MathDoc/CEDRAM}, author={Belabas, Karim and van Hoeij, Mark and Klüners, Jürgen and Steel, Allan}, year={2009}, pages={15–39} }","mla":"Belabas, Karim, et al. “Factoring Polynomials over Global Fields.” <i>Journal de Théorie Des Nombres de Bordeaux</i>, vol. 21, no. 1, Cellule MathDoc/CEDRAM, 2009, pp. 15–39, doi:<a href=\"https://doi.org/10.5802/jtnb.655\">10.5802/jtnb.655</a>.","short":"K. Belabas, M. van Hoeij, J. Klüners, A. Steel, Journal de Théorie Des Nombres de Bordeaux 21 (2009) 15–39.","apa":"Belabas, K., van Hoeij, M., Klüners, J., &#38; Steel, A. (2009). Factoring polynomials over global fields. <i>Journal de Théorie Des Nombres de Bordeaux</i>, <i>21</i>(1), 15–39. <a href=\"https://doi.org/10.5802/jtnb.655\">https://doi.org/10.5802/jtnb.655</a>"},"intvolume":"        21","page":"15-39","user_id":"93826","department":[{"_id":"102"}],"_id":"34889","type":"journal_article","status":"public","date_created":"2022-12-23T09:33:37Z","publisher":"Cellule MathDoc/CEDRAM","title":"Factoring polynomials over global fields","issue":"1","year":"2009","external_id":{"arxiv":["math/0409510 "]},"language":[{"iso":"eng"}],"keyword":["Algebra and Number Theory"],"publication":"Journal de Théorie des Nombres de Bordeaux","abstract":[{"lang":"eng","text":"We prove that van Hoeij’s original algorithm to factor univariate polynomials over the rationals runs in polynomial time, as well as natural variants. In particular, our approach also yields polynomial time complexity results for bivariate polynomials over a finite field."}]},{"page":"324-327","citation":{"bibtex":"@inproceedings{Bo_Ting_Hemsel_2008, title={A simple pre-stress estimating method of langevin transducers}, DOI={<a href=\"https://doi.org/10.1109/SPAWDA.2008.4775801\">10.1109/SPAWDA.2008.4775801</a>}, booktitle={Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on}, author={Bo, Fu and Ting, Li and Hemsel, Tobias}, year={2008}, pages={324–327} }","mla":"Bo, Fu, et al. “A Simple Pre-Stress Estimating Method of Langevin Transducers.” <i>Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On</i>, 2008, pp. 324–27, doi:<a href=\"https://doi.org/10.1109/SPAWDA.2008.4775801\">10.1109/SPAWDA.2008.4775801</a>.","short":"F. Bo, L. Ting, T. Hemsel, in: Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On, 2008, pp. 324–327.","apa":"Bo, F., Ting, L., &#38; Hemsel, T. (2008). A simple pre-stress estimating method of langevin transducers. In <i>Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on</i> (pp. 324–327). <a href=\"https://doi.org/10.1109/SPAWDA.2008.4775801\">https://doi.org/10.1109/SPAWDA.2008.4775801</a>","ieee":"F. Bo, L. Ting, and T. Hemsel, “A simple pre-stress estimating method of langevin transducers,” in <i>Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on</i>, 2008, pp. 324–327.","chicago":"Bo, Fu, Li Ting, and Tobias Hemsel. “A Simple Pre-Stress Estimating Method of Langevin Transducers.” In <i>Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On</i>, 324–27, 2008. <a href=\"https://doi.org/10.1109/SPAWDA.2008.4775801\">https://doi.org/10.1109/SPAWDA.2008.4775801</a>.","ama":"Bo F, Ting L, Hemsel T. A simple pre-stress estimating method of langevin transducers. In: <i>Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On</i>. ; 2008:324-327. doi:<a href=\"https://doi.org/10.1109/SPAWDA.2008.4775801\">10.1109/SPAWDA.2008.4775801</a>"},"year":"2008","date_created":"2019-04-29T11:16:13Z","author":[{"last_name":"Bo","full_name":"Bo, Fu","first_name":"Fu"},{"full_name":"Ting, Li","last_name":"Ting","first_name":"Li"},{"first_name":"Tobias","last_name":"Hemsel","id":"210","full_name":"Hemsel, Tobias"}],"date_updated":"2022-01-06T07:04:16Z","doi":"10.1109/SPAWDA.2008.4775801","title":"A simple pre-stress estimating method of langevin transducers","publication":"Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on","type":"conference","status":"public","abstract":[{"lang":"eng","text":"A simple pre-stress estimate method of Langevin transducers is studied. The measurement setup consists of a capacitor, an impedance converter and a voltmeter. Based on the piezoelectric equation and the basic circuit theory, the mathematical expression between the pre-stress and the voltage across the capacitor is derived. The pre-stress level can then be calculated out of the measurement of the capacitor voltage. In order to evaluate the precision of this method, a force washer is used to measure the pre-stress of the Langevin transducer. The result shows the pre-stress level obtained from this method is 30-40\\% higher than the pre-stress level measured by the force washer. This method is simple and can be used to estimate the pre-stress of various Langevin transducers. The precision of this method can be raised if d33 is identified under different pre-stress levels."}],"department":[{"_id":"151"}],"user_id":"55222","_id":"9568","language":[{"iso":"eng"}],"keyword":["capacitors","impedance convertors","piezoelectric transducers","stress analysis","Langevin transducers","basic circuit theory","capacitor","impedance converter","piezoelectric equation","pre-stress estimating method","voltmeter","Capacitors","Educational institutions","Equations","Force measurement","Impedance measurement","Manufacturing","Mechatronics","Piezoelectric transducers","Voltage","Voltmeters","Langevin transducer","capacitor","piezoelectric element","pre-stress"]},{"page":"408-425","intvolume":"        15","citation":{"ieee":"R. Mahnken, “A Newton-Multigrid algrithm for elasto-plastic/viscoplastic problems,” <i>Computational Mechanics</i>, vol. 15, no. 5, pp. 408–425, 2008, doi: <a href=\"https://doi.org/10.1007/bf00350355\">10.1007/bf00350355</a>.","chicago":"Mahnken, Rolf. “A Newton-Multigrid Algrithm for Elasto-Plastic/Viscoplastic Problems.” <i>Computational Mechanics</i> 15, no. 5 (2008): 408–25. <a href=\"https://doi.org/10.1007/bf00350355\">https://doi.org/10.1007/bf00350355</a>.","ama":"Mahnken R. A Newton-Multigrid algrithm for elasto-plastic/viscoplastic problems. <i>Computational Mechanics</i>. 2008;15(5):408-425. doi:<a href=\"https://doi.org/10.1007/bf00350355\">10.1007/bf00350355</a>","apa":"Mahnken, R. (2008). A Newton-Multigrid algrithm for elasto-plastic/viscoplastic problems. <i>Computational Mechanics</i>, <i>15</i>(5), 408–425. <a href=\"https://doi.org/10.1007/bf00350355\">https://doi.org/10.1007/bf00350355</a>","mla":"Mahnken, Rolf. “A Newton-Multigrid Algrithm for Elasto-Plastic/Viscoplastic Problems.” <i>Computational Mechanics</i>, vol. 15, no. 5, Springer Science and Business Media LLC, 2008, pp. 408–25, doi:<a href=\"https://doi.org/10.1007/bf00350355\">10.1007/bf00350355</a>.","short":"R. Mahnken, Computational Mechanics 15 (2008) 408–425.","bibtex":"@article{Mahnken_2008, title={A Newton-Multigrid algrithm for elasto-plastic/viscoplastic problems}, volume={15}, DOI={<a href=\"https://doi.org/10.1007/bf00350355\">10.1007/bf00350355</a>}, number={5}, journal={Computational Mechanics}, publisher={Springer Science and Business Media LLC}, author={Mahnken, Rolf}, year={2008}, pages={408–425} }"},"publication_identifier":{"issn":["0178-7675","1432-0924"]},"publication_status":"published","doi":"10.1007/bf00350355","date_updated":"2023-05-31T12:27:11Z","volume":15,"author":[{"last_name":"Mahnken","id":"335","full_name":"Mahnken, Rolf","first_name":"Rolf"}],"status":"public","type":"journal_article","_id":"45431","department":[{"_id":"9"},{"_id":"154"}],"user_id":"335","year":"2008","quality_controlled":"1","issue":"5","title":"A Newton-Multigrid algrithm for elasto-plastic/viscoplastic problems","publisher":"Springer Science and Business Media LLC","date_created":"2023-05-31T12:26:42Z","publication":"Computational Mechanics","keyword":["Applied Mathematics","Computational Mathematics","Computational Theory and Mathematics","Mechanical Engineering","Ocean Engineering","Computational Mechanics"],"language":[{"iso":"eng"}]},{"publication":"Compositio Mathematica","language":[{"iso":"eng"}],"keyword":["Algebra and Number Theory"],"issue":"03","year":"2007","date_created":"2023-01-25T09:55:18Z","publisher":"Wiley","title":"Bessel convolutions on matrix cones","type":"journal_article","status":"public","user_id":"93826","department":[{"_id":"555"}],"_id":"39947","extern":"1","publication_status":"published","publication_identifier":{"issn":["0010-437X","1570-5846"]},"citation":{"chicago":"Rösler, Margit. “Bessel Convolutions on Matrix Cones.” <i>Compositio Mathematica</i> 143, no. 03 (2007): 749–79. <a href=\"https://doi.org/10.1112/s0010437x06002594\">https://doi.org/10.1112/s0010437x06002594</a>.","ieee":"M. Rösler, “Bessel convolutions on matrix cones,” <i>Compositio Mathematica</i>, vol. 143, no. 03, pp. 749–779, 2007, doi: <a href=\"https://doi.org/10.1112/s0010437x06002594\">10.1112/s0010437x06002594</a>.","ama":"Rösler M. Bessel convolutions on matrix cones. <i>Compositio Mathematica</i>. 2007;143(03):749-779. doi:<a href=\"https://doi.org/10.1112/s0010437x06002594\">10.1112/s0010437x06002594</a>","mla":"Rösler, Margit. “Bessel Convolutions on Matrix Cones.” <i>Compositio Mathematica</i>, vol. 143, no. 03, Wiley, 2007, pp. 749–79, doi:<a href=\"https://doi.org/10.1112/s0010437x06002594\">10.1112/s0010437x06002594</a>.","bibtex":"@article{Rösler_2007, title={Bessel convolutions on matrix cones}, volume={143}, DOI={<a href=\"https://doi.org/10.1112/s0010437x06002594\">10.1112/s0010437x06002594</a>}, number={03}, journal={Compositio Mathematica}, publisher={Wiley}, author={Rösler, Margit}, year={2007}, pages={749–779} }","short":"M. Rösler, Compositio Mathematica 143 (2007) 749–779.","apa":"Rösler, M. (2007). Bessel convolutions on matrix cones. <i>Compositio Mathematica</i>, <i>143</i>(03), 749–779. <a href=\"https://doi.org/10.1112/s0010437x06002594\">https://doi.org/10.1112/s0010437x06002594</a>"},"page":"749-779","intvolume":"       143","author":[{"first_name":"Margit","last_name":"Rösler","id":"37390","full_name":"Rösler, Margit"}],"volume":143,"date_updated":"2023-01-26T17:47:42Z","doi":"10.1112/s0010437x06002594"},{"publication":"Journal de Théorie des Nombres de Bordeaux","abstract":[{"text":"We study the asymptotics conjecture of Malle for dihedral groups Dℓ of order 2ℓ, where ℓ is an odd prime. We prove the expected lower bound for those groups. For the upper bounds we show that there is a connection to class groups of quadratic number fields. The asymptotic behavior of those class groups is predicted by the Cohen--Lenstra heuristics. Under the assumption of this heuristic we are able to prove the expected upper bounds. ","lang":"eng"}],"external_id":{"arxiv":["math/0512260 "]},"keyword":["Algebra and Number Theory"],"language":[{"iso":"eng"}],"issue":"3","year":"2006","publisher":"Cellule MathDoc/CEDRAM","date_created":"2022-12-23T09:37:01Z","title":"Asymptotics of number fields and the Cohen–Lenstra heuristics","type":"journal_article","status":"public","_id":"34891","user_id":"93826","department":[{"_id":"102"}],"publication_status":"published","publication_identifier":{"issn":["1246-7405"]},"citation":{"short":"J. Klüners, Journal de Théorie Des Nombres de Bordeaux 18 (2006) 607–615.","mla":"Klüners, Jürgen. “Asymptotics of Number Fields and the Cohen–Lenstra Heuristics.” <i>Journal de Théorie Des Nombres de Bordeaux</i>, vol. 18, no. 3, Cellule MathDoc/CEDRAM, 2006, pp. 607–15, doi:<a href=\"https://doi.org/10.5802/jtnb.561\">10.5802/jtnb.561</a>.","bibtex":"@article{Klüners_2006, title={Asymptotics of number fields and the Cohen–Lenstra heuristics}, volume={18}, DOI={<a href=\"https://doi.org/10.5802/jtnb.561\">10.5802/jtnb.561</a>}, number={3}, journal={Journal de Théorie des Nombres de Bordeaux}, publisher={Cellule MathDoc/CEDRAM}, author={Klüners, Jürgen}, year={2006}, pages={607–615} }","apa":"Klüners, J. (2006). Asymptotics of number fields and the Cohen–Lenstra heuristics. <i>Journal de Théorie Des Nombres de Bordeaux</i>, <i>18</i>(3), 607–615. <a href=\"https://doi.org/10.5802/jtnb.561\">https://doi.org/10.5802/jtnb.561</a>","ama":"Klüners J. Asymptotics of number fields and the Cohen–Lenstra heuristics. <i>Journal de Théorie des Nombres de Bordeaux</i>. 2006;18(3):607-615. doi:<a href=\"https://doi.org/10.5802/jtnb.561\">10.5802/jtnb.561</a>","chicago":"Klüners, Jürgen. “Asymptotics of Number Fields and the Cohen–Lenstra Heuristics.” <i>Journal de Théorie Des Nombres de Bordeaux</i> 18, no. 3 (2006): 607–15. <a href=\"https://doi.org/10.5802/jtnb.561\">https://doi.org/10.5802/jtnb.561</a>.","ieee":"J. Klüners, “Asymptotics of number fields and the Cohen–Lenstra heuristics,” <i>Journal de Théorie des Nombres de Bordeaux</i>, vol. 18, no. 3, pp. 607–615, 2006, doi: <a href=\"https://doi.org/10.5802/jtnb.561\">10.5802/jtnb.561</a>."},"page":"607-615","intvolume":"        18","date_updated":"2023-03-06T09:12:04Z","author":[{"first_name":"Jürgen","full_name":"Klüners, Jürgen","id":"21202","last_name":"Klüners"}],"volume":18,"doi":"10.5802/jtnb.561"},{"abstract":[{"text":"We prove that the number of quartic S4--extensions of the rationals of given discriminant d is $O_\\eps(d^{1/2+\\eps})$ for all $\\eps>0$. For a prime number p we derive that the dimension of the space of octahedral modular forms of weight 1 and conductor p or p² is bounded above by O(p¹/²log(p)²). ","lang":"eng"}],"publication":"Acta Arithmetica","language":[{"iso":"eng"}],"keyword":["Algebra and Number Theory"],"external_id":{"arxiv":["math/0411484"]},"year":"2006","issue":"2","title":"The number of S₄-fields with given discriminant","date_created":"2022-12-23T09:40:25Z","publisher":"Institute of Mathematics, Polish Academy of Sciences","status":"public","type":"journal_article","department":[{"_id":"102"}],"user_id":"93826","_id":"34892","page":"185-194","intvolume":"       122","citation":{"short":"J. Klüners, Acta Arithmetica 122 (2006) 185–194.","bibtex":"@article{Klüners_2006, title={The number of S₄-fields with given discriminant}, volume={122}, DOI={<a href=\"https://doi.org/10.4064/aa122-2-3\">10.4064/aa122-2-3</a>}, number={2}, journal={Acta Arithmetica}, publisher={Institute of Mathematics, Polish Academy of Sciences}, author={Klüners, Jürgen}, year={2006}, pages={185–194} }","mla":"Klüners, Jürgen. “The Number of S₄-Fields with given Discriminant.” <i>Acta Arithmetica</i>, vol. 122, no. 2, Institute of Mathematics, Polish Academy of Sciences, 2006, pp. 185–94, doi:<a href=\"https://doi.org/10.4064/aa122-2-3\">10.4064/aa122-2-3</a>.","apa":"Klüners, J. (2006). The number of S₄-fields with given discriminant. <i>Acta Arithmetica</i>, <i>122</i>(2), 185–194. <a href=\"https://doi.org/10.4064/aa122-2-3\">https://doi.org/10.4064/aa122-2-3</a>","chicago":"Klüners, Jürgen. “The Number of S₄-Fields with given Discriminant.” <i>Acta Arithmetica</i> 122, no. 2 (2006): 185–94. <a href=\"https://doi.org/10.4064/aa122-2-3\">https://doi.org/10.4064/aa122-2-3</a>.","ieee":"J. Klüners, “The number of S₄-fields with given discriminant,” <i>Acta Arithmetica</i>, vol. 122, no. 2, pp. 185–194, 2006, doi: <a href=\"https://doi.org/10.4064/aa122-2-3\">10.4064/aa122-2-3</a>.","ama":"Klüners J. The number of S₄-fields with given discriminant. <i>Acta Arithmetica</i>. 2006;122(2):185-194. doi:<a href=\"https://doi.org/10.4064/aa122-2-3\">10.4064/aa122-2-3</a>"},"publication_identifier":{"issn":["0065-1036","1730-6264"]},"publication_status":"published","doi":"10.4064/aa122-2-3","volume":122,"author":[{"full_name":"Klüners, Jürgen","id":"21202","last_name":"Klüners","first_name":"Jürgen"}],"date_updated":"2023-03-06T09:52:41Z"},{"date_updated":"2023-03-06T09:55:09Z","volume":292,"author":[{"first_name":"Jürgen","id":"21202","full_name":"Klüners, Jürgen","last_name":"Klüners"},{"first_name":"Sebastian","full_name":"Pauli, Sebastian","last_name":"Pauli"}],"doi":"10.1016/j.jalgebra.2005.04.013","publication_identifier":{"issn":["0021-8693"]},"publication_status":"published","page":"47-64","intvolume":"       292","citation":{"apa":"Klüners, J., &#38; Pauli, S. (2005). Computing residue class rings and Picard groups of orders. <i>Journal of Algebra</i>, <i>292</i>(1), 47–64. <a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">https://doi.org/10.1016/j.jalgebra.2005.04.013</a>","mla":"Klüners, Jürgen, and Sebastian Pauli. “Computing Residue Class Rings and Picard Groups of Orders.” <i>Journal of Algebra</i>, vol. 292, no. 1, Elsevier BV, 2005, pp. 47–64, doi:<a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">10.1016/j.jalgebra.2005.04.013</a>.","short":"J. Klüners, S. Pauli, Journal of Algebra 292 (2005) 47–64.","bibtex":"@article{Klüners_Pauli_2005, title={Computing residue class rings and Picard groups of orders}, volume={292}, DOI={<a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">10.1016/j.jalgebra.2005.04.013</a>}, number={1}, journal={Journal of Algebra}, publisher={Elsevier BV}, author={Klüners, Jürgen and Pauli, Sebastian}, year={2005}, pages={47–64} }","ieee":"J. Klüners and S. Pauli, “Computing residue class rings and Picard groups of orders,” <i>Journal of Algebra</i>, vol. 292, no. 1, pp. 47–64, 2005, doi: <a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">10.1016/j.jalgebra.2005.04.013</a>.","chicago":"Klüners, Jürgen, and Sebastian Pauli. “Computing Residue Class Rings and Picard Groups of Orders.” <i>Journal of Algebra</i> 292, no. 1 (2005): 47–64. <a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">https://doi.org/10.1016/j.jalgebra.2005.04.013</a>.","ama":"Klüners J, Pauli S. Computing residue class rings and Picard groups of orders. <i>Journal of Algebra</i>. 2005;292(1):47-64. doi:<a href=\"https://doi.org/10.1016/j.jalgebra.2005.04.013\">10.1016/j.jalgebra.2005.04.013</a>"},"_id":"34893","department":[{"_id":"102"}],"user_id":"93826","type":"journal_article","status":"public","publisher":"Elsevier BV","date_created":"2022-12-23T09:41:06Z","title":"Computing residue class rings and Picard groups of orders","issue":"1","year":"2005","keyword":["Algebra and Number Theory"],"language":[{"iso":"eng"}],"publication":"Journal of Algebra","abstract":[{"text":"Let K be a global field and O be an order of K. We develop algorithms for the computation of the unit group of residue class rings for ideals O in . As an application we show how to compute the unit group and the Picard group of O provided that we are able to compute the unit group and class group of the maximal order O of K.","lang":"eng"}]},{"user_id":"44006","department":[{"_id":"54"}],"_id":"11931","language":[{"iso":"eng"}],"keyword":["bimodal human-robot interface","binaural signal processing","enhanced single-channel input signal","filter-and-sum beamforming","filtering theory","FIR filter coefficient","generalized cross correlation method","microphones","microphone signal","nonlinear Bayesian tracking","particle filtering","robust adaptive algorithm","robust speaker direction estimation","signal processing","speech enhancement","speech recognition","speech recognizer","user interfaces"],"type":"conference","publication":"IEEE Workshop on Multimedia Signal Processing (MMSP 2004)","status":"public","abstract":[{"text":"The paper is concerned with binaural signal processing for a bimodal human-robot interface with hearing and vision. The two microphone signals are processed to obtain an enhanced single-channel input signal for the subsequent speech recognizer and to localize the acoustic source, an important information for establishing a natural human-robot communication. We utilize a robust adaptive algorithm for filter-and-sum beamforming (FSB) and extract speaker direction information from the resulting FIR filter coefficients. Further, particle filtering is applied which conducts a nonlinear Bayesian tracking of speaker movement. Good location accuracy can be achieved even in highly reverberant environments. The results obtained outperform the conventional generalized cross correlation (GCC) method.","lang":"eng"}],"date_created":"2019-07-12T05:31:01Z","author":[{"last_name":"Warsitz","full_name":"Warsitz, Ernst","first_name":"Ernst"},{"last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242","first_name":"Reinhold"}],"oa":"1","date_updated":"2022-01-06T06:51:12Z","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2004/WaHa04.pdf"}],"doi":"10.1109/MMSP.2004.1436569","title":"Robust speaker direction estimation with particle filtering","citation":{"apa":"Warsitz, E., &#38; Haeb-Umbach, R. (2004). Robust speaker direction estimation with particle filtering. In <i>IEEE Workshop on Multimedia Signal Processing (MMSP 2004)</i> (pp. 367–370). <a href=\"https://doi.org/10.1109/MMSP.2004.1436569\">https://doi.org/10.1109/MMSP.2004.1436569</a>","short":"E. Warsitz, R. Haeb-Umbach, in: IEEE Workshop on Multimedia Signal Processing (MMSP 2004), 2004, pp. 367–370.","bibtex":"@inproceedings{Warsitz_Haeb-Umbach_2004, title={Robust speaker direction estimation with particle filtering}, DOI={<a href=\"https://doi.org/10.1109/MMSP.2004.1436569\">10.1109/MMSP.2004.1436569</a>}, booktitle={IEEE Workshop on Multimedia Signal Processing (MMSP 2004)}, author={Warsitz, Ernst and Haeb-Umbach, Reinhold}, year={2004}, pages={367–370} }","mla":"Warsitz, Ernst, and Reinhold Haeb-Umbach. “Robust Speaker Direction Estimation with Particle Filtering.” <i>IEEE Workshop on Multimedia Signal Processing (MMSP 2004)</i>, 2004, pp. 367–70, doi:<a href=\"https://doi.org/10.1109/MMSP.2004.1436569\">10.1109/MMSP.2004.1436569</a>.","ieee":"E. Warsitz and R. Haeb-Umbach, “Robust speaker direction estimation with particle filtering,” in <i>IEEE Workshop on Multimedia Signal Processing (MMSP 2004)</i>, 2004, pp. 367–370.","chicago":"Warsitz, Ernst, and Reinhold Haeb-Umbach. “Robust Speaker Direction Estimation with Particle Filtering.” In <i>IEEE Workshop on Multimedia Signal Processing (MMSP 2004)</i>, 367–70, 2004. <a href=\"https://doi.org/10.1109/MMSP.2004.1436569\">https://doi.org/10.1109/MMSP.2004.1436569</a>.","ama":"Warsitz E, Haeb-Umbach R. Robust speaker direction estimation with particle filtering. In: <i>IEEE Workshop on Multimedia Signal Processing (MMSP 2004)</i>. ; 2004:367-370. doi:<a href=\"https://doi.org/10.1109/MMSP.2004.1436569\">10.1109/MMSP.2004.1436569</a>"},"page":"367-370","year":"2004"},{"date_updated":"2023-01-24T08:53:31Z","date_created":"2023-01-24T08:53:26Z","author":[{"first_name":"Alexander","full_name":"Krupp, Alexander","last_name":"Krupp"},{"first_name":"Wolfgang","full_name":"Müller, Wolfgang","id":"16243","last_name":"Müller"},{"full_name":"Oliver, Ian","last_name":"Oliver","first_name":"Ian"}],"title":"Formal Refinement and Model Checking of An Echo Cancellation Unit","doi":"10.1109/DATE.2004.1269214","conference":{"name":"Proceedings Design, Automation and Test in Europe Conference and Exhibition"},"publication_identifier":{"isbn":["0-7695-2085-5"]},"year":"2004","place":"Paris","citation":{"apa":"Krupp, A., Müller, W., &#38; Oliver, I. (2004). Formal Refinement and Model Checking of An Echo Cancellation Unit. <i>Proceedings of DATE’04 Designers’ Forum</i>. Proceedings Design, Automation and Test in Europe Conference and Exhibition. <a href=\"https://doi.org/10.1109/DATE.2004.1269214\">https://doi.org/10.1109/DATE.2004.1269214</a>","mla":"Krupp, Alexander, et al. “Formal Refinement and Model Checking of An Echo Cancellation Unit.” <i>Proceedings of DATE’04 Designers’ Forum</i>, 2004, doi:<a href=\"https://doi.org/10.1109/DATE.2004.1269214\">10.1109/DATE.2004.1269214</a>.","short":"A. Krupp, W. Müller, I. Oliver, in: Proceedings of DATE’04 Designers’ Forum, Paris, 2004.","bibtex":"@inproceedings{Krupp_Müller_Oliver_2004, place={Paris}, title={Formal Refinement and Model Checking of An Echo Cancellation Unit}, DOI={<a href=\"https://doi.org/10.1109/DATE.2004.1269214\">10.1109/DATE.2004.1269214</a>}, booktitle={Proceedings of DATE’04 Designers’ Forum}, author={Krupp, Alexander and Müller, Wolfgang and Oliver, Ian}, year={2004} }","ieee":"A. Krupp, W. Müller, and I. Oliver, “Formal Refinement and Model Checking of An Echo Cancellation Unit,” presented at the Proceedings Design, Automation and Test in Europe Conference and Exhibition, 2004, doi: <a href=\"https://doi.org/10.1109/DATE.2004.1269214\">10.1109/DATE.2004.1269214</a>.","chicago":"Krupp, Alexander, Wolfgang Müller, and Ian Oliver. “Formal Refinement and Model Checking of An Echo Cancellation Unit.” In <i>Proceedings of DATE’04 Designers’ Forum</i>. Paris, 2004. <a href=\"https://doi.org/10.1109/DATE.2004.1269214\">https://doi.org/10.1109/DATE.2004.1269214</a>.","ama":"Krupp A, Müller W, Oliver I. Formal Refinement and Model Checking of An Echo Cancellation Unit. In: <i>Proceedings of DATE’04 Designers’ Forum</i>. ; 2004. doi:<a href=\"https://doi.org/10.1109/DATE.2004.1269214\">10.1109/DATE.2004.1269214</a>"},"_id":"39061","user_id":"5786","department":[{"_id":"672"}],"keyword":["Echo cancellers","Logic","Unified modeling language","Automata","Data structures","Boolean functions","Electronic design automation and methodology","Prototypes","Specification languages","Constraint theory"],"language":[{"iso":"eng"}],"type":"conference","publication":"Proceedings of DATE’04 Designers' Forum","abstract":[{"lang":"eng","text":"This article presents an approach, which combines theorem proving-based refinement with model checking for state based real-time systems. Our verification flow starts from UML state diagrams, which are translated to the formal B language and are model checked for real-time properties. By means of the B language and a B theorem prover, refined state diagrams are verified against their abstract representation. The approach is presented by means of the refinement of a digital echo cancellation unit."}],"status":"public"},{"date_updated":"2023-03-06T09:19:16Z","author":[{"full_name":"Fieker, Claus","last_name":"Fieker","first_name":"Claus"},{"full_name":"Klüners, Jürgen","id":"21202","last_name":"Klüners","first_name":"Jürgen"}],"volume":99,"doi":"10.1016/s0022-314x(02)00071-9","publication_status":"published","publication_identifier":{"issn":["0022-314X"]},"citation":{"ieee":"C. Fieker and J. Klüners, “Minimal discriminants for fields with small Frobenius groups as Galois groups,” <i>Journal of Number Theory</i>, vol. 99, no. 2, pp. 318–337, 2003, doi: <a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">10.1016/s0022-314x(02)00071-9</a>.","chicago":"Fieker, Claus, and Jürgen Klüners. “Minimal Discriminants for Fields with Small Frobenius Groups as Galois Groups.” <i>Journal of Number Theory</i> 99, no. 2 (2003): 318–37. <a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">https://doi.org/10.1016/s0022-314x(02)00071-9</a>.","ama":"Fieker C, Klüners J. Minimal discriminants for fields with small Frobenius groups as Galois groups. <i>Journal of Number Theory</i>. 2003;99(2):318-337. doi:<a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">10.1016/s0022-314x(02)00071-9</a>","apa":"Fieker, C., &#38; Klüners, J. (2003). Minimal discriminants for fields with small Frobenius groups as Galois groups. <i>Journal of Number Theory</i>, <i>99</i>(2), 318–337. <a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">https://doi.org/10.1016/s0022-314x(02)00071-9</a>","bibtex":"@article{Fieker_Klüners_2003, title={Minimal discriminants for fields with small Frobenius groups as Galois groups}, volume={99}, DOI={<a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">10.1016/s0022-314x(02)00071-9</a>}, number={2}, journal={Journal of Number Theory}, publisher={Elsevier BV}, author={Fieker, Claus and Klüners, Jürgen}, year={2003}, pages={318–337} }","short":"C. Fieker, J. Klüners, Journal of Number Theory 99 (2003) 318–337.","mla":"Fieker, Claus, and Jürgen Klüners. “Minimal Discriminants for Fields with Small Frobenius Groups as Galois Groups.” <i>Journal of Number Theory</i>, vol. 99, no. 2, Elsevier BV, 2003, pp. 318–37, doi:<a href=\"https://doi.org/10.1016/s0022-314x(02)00071-9\">10.1016/s0022-314x(02)00071-9</a>."},"intvolume":"        99","page":"318-337","_id":"34896","user_id":"93826","department":[{"_id":"102"}],"type":"journal_article","status":"public","publisher":"Elsevier BV","date_created":"2022-12-23T09:53:23Z","title":"Minimal discriminants for fields with small Frobenius groups as Galois groups","issue":"2","year":"2003","keyword":["Algebra and Number Theory"],"language":[{"iso":"eng"}],"publication":"Journal of Number Theory","abstract":[{"lang":"eng","text":"We apply class field theory to the computation of the minimal discriminants for certain solvable groups. In particular, we apply our techniques to small Frobenius groups and all imprimitive degree 8 groups such that the corresponding fields have only a degree 2 and no degree 4 subfield."}]},{"keyword":["Applied Mathematics","Computational Theory and Mathematics","General Engineering","Modeling and Simulation","Software"],"language":[{"iso":"eng"}],"_id":"45423","department":[{"_id":"9"},{"_id":"154"}],"user_id":"335","status":"public","publication":"Communications in Numerical Methods in Engineering","type":"journal_article","title":"Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity","doi":"10.1002/(sici)1099-0887(199910)15:10<745::aid-cnm288>3.0.co;2-r","date_updated":"2023-05-31T12:15:12Z","publisher":"Wiley","volume":15,"author":[{"last_name":"Mahnken","id":"335","full_name":"Mahnken, Rolf","first_name":"Rolf"}],"date_created":"2023-05-31T12:14:42Z","year":"2002","intvolume":"        15","page":"745-754","citation":{"apa":"Mahnken, R. (2002). Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity. <i>Communications in Numerical Methods in Engineering</i>, <i>15</i>(10), 745–754. <a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>","mla":"Mahnken, Rolf. “Improved Implementation of an Algorithm for Non-Linear Isotropic/Kinematic Hardening in Elastoplasticity.” <i>Communications in Numerical Methods in Engineering</i>, vol. 15, no. 10, Wiley, 2002, pp. 745–54, doi:<a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>.","short":"R. Mahnken, Communications in Numerical Methods in Engineering 15 (2002) 745–754.","bibtex":"@article{Mahnken_2002, title={Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity}, volume={15}, DOI={<a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>}, number={10}, journal={Communications in Numerical Methods in Engineering}, publisher={Wiley}, author={Mahnken, Rolf}, year={2002}, pages={745–754} }","ama":"Mahnken R. Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity. <i>Communications in Numerical Methods in Engineering</i>. 2002;15(10):745-754. doi:<a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>","chicago":"Mahnken, Rolf. “Improved Implementation of an Algorithm for Non-Linear Isotropic/Kinematic Hardening in Elastoplasticity.” <i>Communications in Numerical Methods in Engineering</i> 15, no. 10 (2002): 745–54. <a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>.","ieee":"R. Mahnken, “Improved implementation of an algorithm for non-linear isotropic/kinematic hardening in elastoplasticity,” <i>Communications in Numerical Methods in Engineering</i>, vol. 15, no. 10, pp. 745–754, 2002, doi: <a href=\"https://doi.org/10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r\">10.1002/(sici)1099-0887(199910)15:10&#60;745::aid-cnm288&#62;3.0.co;2-r</a>."},"publication_identifier":{"issn":["1069-8299","1099-0887"]},"quality_controlled":"1","publication_status":"published","issue":"10"},{"language":[{"iso":"eng"}],"keyword":["Applied Mathematics","Computational Mathematics","Computational Theory and Mathematics","Mechanical Engineering","Ocean Engineering","Computational Mechanics"],"publication":"Computational Mechanics","title":"Numerical simulation of interface debonding with a combined damage/friction constitutive model","date_created":"2023-05-31T12:04:03Z","publisher":"Springer Science and Business Media LLC","year":"2002","issue":"5","quality_controlled":"1","user_id":"335","department":[{"_id":"9"},{"_id":"154"}],"_id":"45417","status":"public","type":"journal_article","doi":"10.1007/s004660050493","author":[{"last_name":"Döbert","full_name":"Döbert, C.","first_name":"C."},{"full_name":"Mahnken, Rolf","id":"335","last_name":"Mahnken","first_name":"Rolf"},{"first_name":"E.","full_name":"Stein, E.","last_name":"Stein"}],"volume":25,"date_updated":"2023-05-31T12:04:35Z","citation":{"apa":"Döbert, C., Mahnken, R., &#38; Stein, E. (2002). Numerical simulation of interface debonding with a combined damage/friction constitutive model. <i>Computational Mechanics</i>, <i>25</i>(5), 456–467. <a href=\"https://doi.org/10.1007/s004660050493\">https://doi.org/10.1007/s004660050493</a>","short":"C. Döbert, R. Mahnken, E. Stein, Computational Mechanics 25 (2002) 456–467.","mla":"Döbert, C., et al. “Numerical Simulation of Interface Debonding with a Combined Damage/Friction Constitutive Model.” <i>Computational Mechanics</i>, vol. 25, no. 5, Springer Science and Business Media LLC, 2002, pp. 456–67, doi:<a href=\"https://doi.org/10.1007/s004660050493\">10.1007/s004660050493</a>.","bibtex":"@article{Döbert_Mahnken_Stein_2002, title={Numerical simulation of interface debonding with a combined damage/friction constitutive model}, volume={25}, DOI={<a href=\"https://doi.org/10.1007/s004660050493\">10.1007/s004660050493</a>}, number={5}, journal={Computational Mechanics}, publisher={Springer Science and Business Media LLC}, author={Döbert, C. and Mahnken, Rolf and Stein, E.}, year={2002}, pages={456–467} }","chicago":"Döbert, C., Rolf Mahnken, and E. Stein. “Numerical Simulation of Interface Debonding with a Combined Damage/Friction Constitutive Model.” <i>Computational Mechanics</i> 25, no. 5 (2002): 456–67. <a href=\"https://doi.org/10.1007/s004660050493\">https://doi.org/10.1007/s004660050493</a>.","ieee":"C. Döbert, R. Mahnken, and E. Stein, “Numerical simulation of interface debonding with a combined damage/friction constitutive model,” <i>Computational Mechanics</i>, vol. 25, no. 5, pp. 456–467, 2002, doi: <a href=\"https://doi.org/10.1007/s004660050493\">10.1007/s004660050493</a>.","ama":"Döbert C, Mahnken R, Stein E. Numerical simulation of interface debonding with a combined damage/friction constitutive model. <i>Computational Mechanics</i>. 2002;25(5):456-467. doi:<a href=\"https://doi.org/10.1007/s004660050493\">10.1007/s004660050493</a>"},"intvolume":"        25","page":"456-467","publication_status":"published","publication_identifier":{"issn":["0178-7675","1432-0924"]}},{"type":"journal_article","status":"public","department":[{"_id":"9"},{"_id":"154"}],"user_id":"335","_id":"45427","publication_identifier":{"issn":["0264-4401"]},"publication_status":"published","intvolume":"        15","page":"925-955","citation":{"bibtex":"@article{Mahnken_Johansson_Runesson_2002, title={Parameter estimation for a viscoplastic damage model using a gradient‐based optimization algorithm}, volume={15}, DOI={<a href=\"https://doi.org/10.1108/02644409810236920\">10.1108/02644409810236920</a>}, number={7}, journal={Engineering Computations}, publisher={Emerald}, author={Mahnken, Rolf and Johansson, Magnus and Runesson, Kenneth}, year={2002}, pages={925–955} }","mla":"Mahnken, Rolf, et al. “Parameter Estimation for a Viscoplastic Damage Model Using a Gradient‐based Optimization Algorithm.” <i>Engineering Computations</i>, vol. 15, no. 7, Emerald, 2002, pp. 925–55, doi:<a href=\"https://doi.org/10.1108/02644409810236920\">10.1108/02644409810236920</a>.","short":"R. Mahnken, M. Johansson, K. Runesson, Engineering Computations 15 (2002) 925–955.","apa":"Mahnken, R., Johansson, M., &#38; Runesson, K. (2002). Parameter estimation for a viscoplastic damage model using a gradient‐based optimization algorithm. <i>Engineering Computations</i>, <i>15</i>(7), 925–955. <a href=\"https://doi.org/10.1108/02644409810236920\">https://doi.org/10.1108/02644409810236920</a>","ama":"Mahnken R, Johansson M, Runesson K. Parameter estimation for a viscoplastic damage model using a gradient‐based optimization algorithm. <i>Engineering Computations</i>. 2002;15(7):925-955. doi:<a href=\"https://doi.org/10.1108/02644409810236920\">10.1108/02644409810236920</a>","chicago":"Mahnken, Rolf, Magnus Johansson, and Kenneth Runesson. “Parameter Estimation for a Viscoplastic Damage Model Using a Gradient‐based Optimization Algorithm.” <i>Engineering Computations</i> 15, no. 7 (2002): 925–55. <a href=\"https://doi.org/10.1108/02644409810236920\">https://doi.org/10.1108/02644409810236920</a>.","ieee":"R. Mahnken, M. Johansson, and K. Runesson, “Parameter estimation for a viscoplastic damage model using a gradient‐based optimization algorithm,” <i>Engineering Computations</i>, vol. 15, no. 7, pp. 925–955, 2002, doi: <a href=\"https://doi.org/10.1108/02644409810236920\">10.1108/02644409810236920</a>."},"volume":15,"author":[{"last_name":"Mahnken","full_name":"Mahnken, Rolf","id":"335","first_name":"Rolf"},{"first_name":"Magnus","last_name":"Johansson","full_name":"Johansson, Magnus"},{"first_name":"Kenneth","last_name":"Runesson","full_name":"Runesson, Kenneth"}],"date_updated":"2023-05-31T12:21:15Z","doi":"10.1108/02644409810236920","publication":"Engineering Computations","abstract":[{"text":"<jats:p>In this work a gradient‐based optimization method is applied in order to determine material parameters for a viscoplastic model with dynamic yield surface coupled to damage as presented in 1997. To this end a sensitivity analysis consistent with the integration scheme presented previously is performed in a systematic manner, both for strain and stress controlled experiments. The algorithm is tested in two numerical examples: first, simulated data are used, in order to re‐obtain parameters for the case of damage under monotonic loading. In the second example material parameters are obtained based on experimental data for lcf‐testing of an austenetic stainless steel, thus showing a very good agreement with respect to hardening, rate and damage effects.</jats:p>","lang":"eng"}],"language":[{"iso":"eng"}],"keyword":["Computational Theory and Mathematics","Computer Science Applications","General Engineering","Software"],"issue":"7","quality_controlled":"1","year":"2002","date_created":"2023-05-31T12:20:54Z","publisher":"Emerald","title":"Parameter estimation for a viscoplastic damage model using a gradient‐based optimization algorithm"},{"user_id":"93826","department":[{"_id":"102"}],"_id":"34897","type":"journal_article","status":"public","author":[{"first_name":"Jürgen","full_name":"Klüners, Jürgen","id":"21202","last_name":"Klüners"},{"first_name":"Gunter","last_name":"Malle","full_name":"Malle, Gunter"}],"volume":4,"date_updated":"2023-03-02T09:53:08Z","doi":"10.1112/s1461157000000851","publication_status":"published","publication_identifier":{"issn":["1461-1570"]},"citation":{"mla":"Klüners, Jürgen, and Gunter Malle. “A Database for Field Extensions of the Rationals.” <i>LMS Journal of Computation and Mathematics</i>, vol. 4, Wiley, 2001, pp. 182–96, doi:<a href=\"https://doi.org/10.1112/s1461157000000851\">10.1112/s1461157000000851</a>.","bibtex":"@article{Klüners_Malle_2001, title={A Database for Field Extensions of the Rationals}, volume={4}, DOI={<a href=\"https://doi.org/10.1112/s1461157000000851\">10.1112/s1461157000000851</a>}, journal={LMS Journal of Computation and Mathematics}, publisher={Wiley}, author={Klüners, Jürgen and Malle, Gunter}, year={2001}, pages={182–196} }","short":"J. Klüners, G. Malle, LMS Journal of Computation and Mathematics 4 (2001) 182–196.","apa":"Klüners, J., &#38; Malle, G. (2001). A Database for Field Extensions of the Rationals. <i>LMS Journal of Computation and Mathematics</i>, <i>4</i>, 182–196. <a href=\"https://doi.org/10.1112/s1461157000000851\">https://doi.org/10.1112/s1461157000000851</a>","ieee":"J. Klüners and G. Malle, “A Database for Field Extensions of the Rationals,” <i>LMS Journal of Computation and Mathematics</i>, vol. 4, pp. 182–196, 2001, doi: <a href=\"https://doi.org/10.1112/s1461157000000851\">10.1112/s1461157000000851</a>.","chicago":"Klüners, Jürgen, and Gunter Malle. “A Database for Field Extensions of the Rationals.” <i>LMS Journal of Computation and Mathematics</i> 4 (2001): 182–96. <a href=\"https://doi.org/10.1112/s1461157000000851\">https://doi.org/10.1112/s1461157000000851</a>.","ama":"Klüners J, Malle G. A Database for Field Extensions of the Rationals. <i>LMS Journal of Computation and Mathematics</i>. 2001;4:182-196. doi:<a href=\"https://doi.org/10.1112/s1461157000000851\">10.1112/s1461157000000851</a>"},"intvolume":"         4","page":"182-196","external_id":{"arxiv":["math/0102232"]},"language":[{"iso":"eng"}],"keyword":["Computational Theory and Mathematics","General Mathematics"],"publication":"LMS Journal of Computation and Mathematics","abstract":[{"text":"This paper announces the creation of a database for number fields. It describes the contents and the methods of access, indicates the origin of the polynomials, and formulates the aims of this collection of fields.","lang":"eng"}],"date_created":"2022-12-23T09:56:22Z","publisher":"Wiley","title":"A Database for Field Extensions of the Rationals","year":"2001"},{"status":"public","type":"journal_article","department":[{"_id":"102"}],"user_id":"93826","_id":"34900","intvolume":"        30","page":"653-674","citation":{"ama":"Geissler K, Klüners J. Galois Group Computation for Rational Polynomials. <i>Journal of Symbolic Computation</i>. 2000;30(6):653-674. doi:<a href=\"https://doi.org/10.1006/jsco.2000.0377\">10.1006/jsco.2000.0377</a>","ieee":"K. Geissler and J. Klüners, “Galois Group Computation for Rational Polynomials,” <i>Journal of Symbolic Computation</i>, vol. 30, no. 6, pp. 653–674, 2000, doi: <a href=\"https://doi.org/10.1006/jsco.2000.0377\">10.1006/jsco.2000.0377</a>.","chicago":"Geissler, Katharina, and Jürgen Klüners. “Galois Group Computation for Rational Polynomials.” <i>Journal of Symbolic Computation</i> 30, no. 6 (2000): 653–74. <a href=\"https://doi.org/10.1006/jsco.2000.0377\">https://doi.org/10.1006/jsco.2000.0377</a>.","bibtex":"@article{Geissler_Klüners_2000, title={Galois Group Computation for Rational Polynomials}, volume={30}, DOI={<a href=\"https://doi.org/10.1006/jsco.2000.0377\">10.1006/jsco.2000.0377</a>}, number={6}, journal={Journal of Symbolic Computation}, publisher={Elsevier BV}, author={Geissler, Katharina and Klüners, Jürgen}, year={2000}, pages={653–674} }","short":"K. Geissler, J. Klüners, Journal of Symbolic Computation 30 (2000) 653–674.","mla":"Geissler, Katharina, and Jürgen Klüners. “Galois Group Computation for Rational Polynomials.” <i>Journal of Symbolic Computation</i>, vol. 30, no. 6, Elsevier BV, 2000, pp. 653–74, doi:<a href=\"https://doi.org/10.1006/jsco.2000.0377\">10.1006/jsco.2000.0377</a>.","apa":"Geissler, K., &#38; Klüners, J. (2000). Galois Group Computation for Rational Polynomials. <i>Journal of Symbolic Computation</i>, <i>30</i>(6), 653–674. <a href=\"https://doi.org/10.1006/jsco.2000.0377\">https://doi.org/10.1006/jsco.2000.0377</a>"},"publication_identifier":{"issn":["0747-7171"]},"publication_status":"published","doi":"10.1006/jsco.2000.0377","volume":30,"author":[{"first_name":"Katharina","full_name":"Geissler, Katharina","last_name":"Geissler"},{"first_name":"Jürgen","last_name":"Klüners","id":"21202","full_name":"Klüners, Jürgen"}],"date_updated":"2023-03-06T09:58:06Z","abstract":[{"text":"We describe methods for the computation of Galois groups of univariate polynomials over the rationals which we have implemented up to degree 15. These methods are based on Stauduhar’s algorithm. All computations are done in unramified p -adic extensions. For imprimitive groups we give an improvement using subfields. In the primitive case we use known subgroups of the Galois group together with a combination of Stauduhar’s method and the absolute resolvent method.","lang":"eng"}],"publication":"Journal of Symbolic Computation","language":[{"iso":"eng"}],"keyword":["Computational Mathematics","Algebra and Number Theory"],"year":"2000","issue":"6","title":"Galois Group Computation for Rational Polynomials","date_created":"2022-12-23T09:58:16Z","publisher":"Elsevier BV"},{"title":"Computing Local Artin Maps, and Solvability of Norm Equations","publisher":"Elsevier BV","date_created":"2022-12-23T09:58:48Z","year":"2000","issue":"3","keyword":["Computational Mathematics","Algebra and Number Theory"],"language":[{"iso":"eng"}],"abstract":[{"text":"Let L = K(α) be an Abelian extension of degree n of a number field K, given by the minimal polynomial of α over K. We describe an algorithm for computing the local Artin map associated with the extension L / K at a finite or infinite prime v of K. We apply this algorithm to decide if a nonzero a ∈ K is a norm from L, assuming that L / K is cyclic.","lang":"eng"}],"publication":"Journal of Symbolic Computation","doi":"10.1006/jsco.2000.0361","date_updated":"2023-03-06T09:57:34Z","volume":30,"author":[{"first_name":"Vincenzo","last_name":"Acciaro","full_name":"Acciaro, Vincenzo"},{"full_name":"Klüners, Jürgen","id":"21202","last_name":"Klüners","first_name":"Jürgen"}],"intvolume":"        30","page":"239-252","citation":{"ama":"Acciaro V, Klüners J. Computing Local Artin Maps, and Solvability of Norm Equations. <i>Journal of Symbolic Computation</i>. 2000;30(3):239-252. doi:<a href=\"https://doi.org/10.1006/jsco.2000.0361\">10.1006/jsco.2000.0361</a>","chicago":"Acciaro, Vincenzo, and Jürgen Klüners. “Computing Local Artin Maps, and Solvability of Norm Equations.” <i>Journal of Symbolic Computation</i> 30, no. 3 (2000): 239–52. <a href=\"https://doi.org/10.1006/jsco.2000.0361\">https://doi.org/10.1006/jsco.2000.0361</a>.","ieee":"V. Acciaro and J. Klüners, “Computing Local Artin Maps, and Solvability of Norm Equations,” <i>Journal of Symbolic Computation</i>, vol. 30, no. 3, pp. 239–252, 2000, doi: <a href=\"https://doi.org/10.1006/jsco.2000.0361\">10.1006/jsco.2000.0361</a>.","apa":"Acciaro, V., &#38; Klüners, J. (2000). Computing Local Artin Maps, and Solvability of Norm Equations. <i>Journal of Symbolic Computation</i>, <i>30</i>(3), 239–252. <a href=\"https://doi.org/10.1006/jsco.2000.0361\">https://doi.org/10.1006/jsco.2000.0361</a>","bibtex":"@article{Acciaro_Klüners_2000, title={Computing Local Artin Maps, and Solvability of Norm Equations}, volume={30}, DOI={<a href=\"https://doi.org/10.1006/jsco.2000.0361\">10.1006/jsco.2000.0361</a>}, number={3}, journal={Journal of Symbolic Computation}, publisher={Elsevier BV}, author={Acciaro, Vincenzo and Klüners, Jürgen}, year={2000}, pages={239–252} }","mla":"Acciaro, Vincenzo, and Jürgen Klüners. “Computing Local Artin Maps, and Solvability of Norm Equations.” <i>Journal of Symbolic Computation</i>, vol. 30, no. 3, Elsevier BV, 2000, pp. 239–52, doi:<a href=\"https://doi.org/10.1006/jsco.2000.0361\">10.1006/jsco.2000.0361</a>.","short":"V. Acciaro, J. Klüners, Journal of Symbolic Computation 30 (2000) 239–252."},"publication_identifier":{"issn":["0747-7171"]},"publication_status":"published","_id":"34901","department":[{"_id":"102"}],"user_id":"93826","status":"public","type":"journal_article"}]