[{"page":"505–510","main_file_link":[{"url":"https://ismir2012.ismir.net/event/papers/505_ISMIR_2012.pdf","open_access":"1"}],"_id":"55848","publisher":"FEUP Edições","language":[{"iso":"eng"}],"user_id":"1684","editor":[{"full_name":"Gouyon, Fabien","first_name":"Fabien","last_name":"Gouyon"},{"full_name":"Herrera, Perfecto","first_name":"Perfecto","last_name":"Herrera"},{"full_name":"Martins, Luis Gustavo","first_name":"Luis Gustavo","last_name":"Martins"},{"full_name":"Müller, Meinard","first_name":"Meinard","last_name":"Müller"}],"year":"2012","status":"public","title":"Separating Presentation and Content in MEI","author":[{"full_name":"Pugin, Laurent","first_name":"Laurent","last_name":"Pugin"},{"full_name":"Kepper, Johannes","first_name":"Johannes","last_name":"Kepper","orcid":"0000-0003-4891-260X","id":"1684"},{"full_name":"Roland, Perry","last_name":"Roland","first_name":"Perry"},{"full_name":"Hartwig, Maja","first_name":"Maja","last_name":"Hartwig"},{"last_name":"Hankinson","first_name":"Andrew","full_name":"Hankinson, Andrew"}],"date_updated":"2024-08-28T13:55:20Z","publication_status":"published","date_created":"2024-08-28T11:47:49Z","type":"conference","oa":"1","department":[{"_id":"538"},{"_id":"874"}],"publication":"Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012","citation":{"chicago":"Pugin, Laurent, Johannes Kepper, Perry Roland, Maja Hartwig, and Andrew Hankinson. “Separating Presentation and Content in MEI.” In <i>Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012</i>, edited by Fabien Gouyon, Perfecto Herrera, Luis Gustavo Martins, and Meinard Müller, 505–510. FEUP Edições, 2012.","short":"L. Pugin, J. Kepper, P. Roland, M. Hartwig, A. Hankinson, in: F. Gouyon, P. Herrera, L.G. Martins, M. Müller (Eds.), Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012, FEUP Edições, 2012, pp. 505–510.","ieee":"L. Pugin, J. Kepper, P. Roland, M. Hartwig, and A. Hankinson, “Separating Presentation and Content in MEI,” in <i>Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012</i>, 2012, pp. 505–510.","apa":"Pugin, L., Kepper, J., Roland, P., Hartwig, M., &#38; Hankinson, A. (2012). Separating Presentation and Content in MEI. In F. Gouyon, P. Herrera, L. G. Martins, &#38; M. Müller (Eds.), <i>Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012</i> (pp. 505–510). FEUP Edições.","bibtex":"@inproceedings{Pugin_Kepper_Roland_Hartwig_Hankinson_2012, title={Separating Presentation and Content in MEI}, booktitle={Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012}, publisher={FEUP Edições}, author={Pugin, Laurent and Kepper, Johannes and Roland, Perry and Hartwig, Maja and Hankinson, Andrew}, editor={Gouyon, Fabien and Herrera, Perfecto and Martins, Luis Gustavo and Müller, Meinard}, year={2012}, pages={505–510} }","ama":"Pugin L, Kepper J, Roland P, Hartwig M, Hankinson A. Separating Presentation and Content in MEI. In: Gouyon F, Herrera P, Martins LG, Müller M, eds. <i>Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012</i>. FEUP Edições; 2012:505–510.","mla":"Pugin, Laurent, et al. “Separating Presentation and Content in MEI.” <i>Proceedings of the 13th International Society for Music Information Retrieval Conference, ISMIR 2012, Mosteiro S.Bento Da Vitória, Porto, Portugal, October 8-12, 2012</i>, edited by Fabien Gouyon et al., FEUP Edições, 2012, pp. 505–510."}},{"department":[{"_id":"411"}],"oa":"1","type":"book_chapter","date_created":"2023-01-16T10:12:46Z","place":"Bielefeld","citation":{"apa":"Weber, J. (2012). Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur. In S. Maasen, M. Kaiser, M. Reinhart, &#38; B. Sutter (Eds.), <i>Handbuch Wissenschaftssoziologie</i> (pp. 409–416). Verlag für Sozialwissenschaften.","ieee":"J. Weber, “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur,” in <i>Handbuch Wissenschaftssoziologie</i>, S. Maasen, M. Kaiser, M. Reinhart, and B. Sutter, Eds. Bielefeld: Verlag für Sozialwissenschaften, 2012, pp. 409–416.","chicago":"Weber, Jutta. “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur.” In <i>Handbuch Wissenschaftssoziologie</i>, edited by Sabine Maasen, Mario Kaiser, Martin Reinhart, and Barbara Sutter, 409–16. Bielefeld: Verlag für Sozialwissenschaften, 2012.","short":"J. Weber, in: S. Maasen, M. Kaiser, M. Reinhart, B. Sutter (Eds.), Handbuch Wissenschaftssoziologie, Verlag für Sozialwissenschaften, Bielefeld, 2012, pp. 409–416.","mla":"Weber, Jutta. “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur.” <i>Handbuch Wissenschaftssoziologie</i>, edited by Sabine Maasen et al., Verlag für Sozialwissenschaften, 2012, pp. 409–16.","ama":"Weber J. Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur. In: Maasen S, Kaiser M, Reinhart M, Sutter B, eds. <i>Handbuch Wissenschaftssoziologie</i>. Verlag für Sozialwissenschaften; 2012:409-416.","bibtex":"@inbook{Weber_2012, place={Bielefeld}, title={Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur}, booktitle={Handbuch Wissenschaftssoziologie}, publisher={Verlag für Sozialwissenschaften}, author={Weber, Jutta}, editor={Maasen, Sabine and Kaiser, Mario and Reinhart, Martin and Sutter, Barbara}, year={2012}, pages={409–416} }"},"publication":"Handbuch Wissenschaftssoziologie","editor":[{"last_name":"Maasen","first_name":"Sabine","full_name":"Maasen, Sabine"},{"full_name":"Kaiser, Mario","last_name":"Kaiser","first_name":"Mario"},{"first_name":"Martin","last_name":"Reinhart","full_name":"Reinhart, Martin"},{"last_name":"Sutter","first_name":"Barbara","full_name":"Sutter, Barbara"}],"user_id":"14932","publisher":"Verlag für Sozialwissenschaften","_id":"36902","language":[{"iso":"ger"}],"page":"409-416","main_file_link":[{"open_access":"1","url":"https://juttaweber.eu/wordpress/wp-content/uploads/2021/03/Weber_Neue-Episteme_preprint.pdf"}],"date_updated":"2023-01-16T10:13:16Z","author":[{"id":"31494","last_name":"Weber","first_name":"Jutta","full_name":"Weber, Jutta"}],"status":"public","year":"2012","title":"Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur"},{"date_updated":"2023-01-19T08:20:38Z","author":[{"first_name":"Jutta","last_name":"Weber","full_name":"Weber, Jutta","id":"31494"}],"status":"public","year":"2012","title":"Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur","editor":[{"last_name":"Maasen","first_name":"Sabine","full_name":"Maasen, Sabine"},{"last_name":"Kaiser","first_name":"Mario","full_name":"Kaiser, Mario"},{"last_name":"Reinhart","first_name":"Martin","full_name":"Reinhart, Martin"},{"last_name":"Sutter","first_name":"Barbara","full_name":"Sutter, Barbara"}],"user_id":"14932","_id":"37515","publisher":"Verlag für Sozialwissenschaften","language":[{"iso":"ger"}],"main_file_link":[{"url":"https://juttaweber.eu/wordpress/wp-content/uploads/2022/12/Weber_Neue-Episteme.pdf","open_access":"1"}],"page":"409-416","citation":{"bibtex":"@inbook{Weber_2012, place={Bielefeld}, title={Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur}, booktitle={Handbuch Wissenschaftssoziologie}, publisher={Verlag für Sozialwissenschaften}, author={Weber, Jutta}, editor={Maasen, Sabine and Kaiser, Mario and Reinhart, Martin and Sutter, Barbara}, year={2012}, pages={409–416} }","ama":"Weber J. Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur. In: Maasen S, Kaiser M, Reinhart M, Sutter B, eds. <i>Handbuch Wissenschaftssoziologie</i>. Verlag für Sozialwissenschaften; 2012:409-416.","mla":"Weber, Jutta. “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur.” <i>Handbuch Wissenschaftssoziologie</i>, edited by Sabine Maasen et al., Verlag für Sozialwissenschaften, 2012, pp. 409–16.","short":"J. Weber, in: S. Maasen, M. Kaiser, M. Reinhart, B. Sutter (Eds.), Handbuch Wissenschaftssoziologie, Verlag für Sozialwissenschaften, Bielefeld, 2012, pp. 409–416.","chicago":"Weber, Jutta. “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur.” In <i>Handbuch Wissenschaftssoziologie</i>, edited by Sabine Maasen, Mario Kaiser, Martin Reinhart, and Barbara Sutter, 409–16. Bielefeld: Verlag für Sozialwissenschaften, 2012.","ieee":"J. Weber, “Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur,” in <i>Handbuch Wissenschaftssoziologie</i>, S. Maasen, M. Kaiser, M. Reinhart, and B. Sutter, Eds. Bielefeld: Verlag für Sozialwissenschaften, 2012, pp. 409–416.","apa":"Weber, J. (2012). Neue Episteme: Die biokybernetische Konfiguration der Technowissenschaftskultur. In S. Maasen, M. Kaiser, M. Reinhart, &#38; B. Sutter (Eds.), <i>Handbuch Wissenschaftssoziologie</i> (pp. 409–416). Verlag für Sozialwissenschaften."},"publication":"Handbuch Wissenschaftssoziologie","department":[{"_id":"411"}],"oa":"1","type":"encyclopedia_article","date_created":"2023-01-19T08:20:15Z","place":"Bielefeld"},{"place":"Bielefeld","oa":"1","citation":{"mla":"Alpsancar, Suzana. <i>Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser</i>. transcript Verlag, 2012, doi:<a href=\"https://doi.org/10.14361/transcript.9783839419519\">10.14361/transcript.9783839419519</a>.","ama":"Alpsancar S. <i>Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser</i>. transcript Verlag; 2012. doi:<a href=\"https://doi.org/10.14361/transcript.9783839419519\">10.14361/transcript.9783839419519</a>","bibtex":"@book{Alpsancar_2012, place={Bielefeld}, title={Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser}, DOI={<a href=\"https://doi.org/10.14361/transcript.9783839419519\">10.14361/transcript.9783839419519</a>}, publisher={transcript Verlag}, author={Alpsancar, Suzana}, year={2012} }","apa":"Alpsancar, S. (2012). <i>Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser</i>. transcript Verlag. <a href=\"https://doi.org/10.14361/transcript.9783839419519\">https://doi.org/10.14361/transcript.9783839419519</a>","ieee":"S. Alpsancar, <i>Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser</i>. Bielefeld: transcript Verlag, 2012.","short":"S. Alpsancar, Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser, transcript Verlag, Bielefeld, 2012.","chicago":"Alpsancar, Suzana. <i>Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser</i>. Bielefeld: transcript Verlag, 2012. <a href=\"https://doi.org/10.14361/transcript.9783839419519\">https://doi.org/10.14361/transcript.9783839419519</a>."},"page":"322","_id":"34534","publisher":"transcript Verlag","user_id":"57676","status":"public","date_created":"2022-12-19T06:44:40Z","type":"book","abstract":[{"lang":"ger","text":"Computer gelten als prägende Faktoren unserer Gesellschaft, ohne dass die ihnen zugesprochene Gestaltungsmacht systematisch hinterfragt würde. Gemeinhin werden sie als Rechenmaschine, Medium oder Notationssystem adressiert. Unklar bleibt, welcher Status Computern als Ding überhaupt zukommt. Mit ihrer kritischen Neulektüre von Vilém Flusser und Mark Weiser legt Suzana Alpsancar zwei symptomatische Computerkonzepte im Diskurs des Digitalen frei. Sie zeigt, dass eine Reflexion der Gestaltungsmacht von Computern neben typischen Gebrauchsweisen gerade auch auf ihre potenzielle Widerständigkeit als Dinge abheben muss, um ihre Medialität angemessen erfassen zu können."}],"extern":"1","main_file_link":[{"open_access":"1"}],"language":[{"iso":"ger"}],"doi":"10.14361/transcript.9783839419519","year":"2012","title":"Das Ding namens Computer. Eine kritische Neulektüre von Vilém Flusser und Mark Weiser","author":[{"full_name":"Alpsancar, Suzana","first_name":"Suzana","last_name":"Alpsancar","id":"93637"}],"publication_identifier":{"issn":["2702-900X","2702-9018"],"isbn":["9783837619515","9783839419519"]},"date_updated":"2023-02-01T11:44:09Z","publication_status":"published"},{"status":"public","conference":{"name":"International Colloquium on Automata, Languages, and Programming (ICALP)","location":"Warwick, UK"},"user_id":"71541","editor":[{"full_name":"Czumaj, Artur","first_name":"Artur","last_name":"Czumaj"},{"last_name":"Mehlhorn","first_name":"Kurt","full_name":"Mehlhorn, Kurt"},{"last_name":"Pitts","first_name":"Andrew","full_name":"Pitts, Andrew"},{"last_name":"Wattenhofer","first_name":"Roger","full_name":"Wattenhofer, Roger"}],"page":"387-398","_id":"8169","publisher":"Springer Berlin Heidelberg","citation":{"bibtex":"@inproceedings{Gharibian_Kempe_2012, place={Berlin, Heidelberg}, title={Hardness of Approximation for Quantum Problems}, DOI={<a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">10.1007/978-3-642-31594-7_33</a>}, booktitle={International Colloquium on Automata, Languages, and Programming (ICALP 2012)}, publisher={Springer Berlin Heidelberg}, author={Gharibian, Sevag and Kempe, Julia}, editor={Czumaj, Artur and Mehlhorn, Kurt and Pitts, Andrew and Wattenhofer, Roger}, year={2012}, pages={387–398} }","ama":"Gharibian S, Kempe J. Hardness of Approximation for Quantum Problems. In: Czumaj A, Mehlhorn K, Pitts A, Wattenhofer R, eds. <i>International Colloquium on Automata, Languages, and Programming (ICALP 2012)</i>. Springer Berlin Heidelberg; 2012:387-398. doi:<a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">10.1007/978-3-642-31594-7_33</a>","mla":"Gharibian, Sevag, and Julia Kempe. “Hardness of Approximation for Quantum Problems.” <i>International Colloquium on Automata, Languages, and Programming (ICALP 2012)</i>, edited by Artur Czumaj et al., Springer Berlin Heidelberg, 2012, pp. 387–98, doi:<a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">10.1007/978-3-642-31594-7_33</a>.","chicago":"Gharibian, Sevag, and Julia Kempe. “Hardness of Approximation for Quantum Problems.” In <i>International Colloquium on Automata, Languages, and Programming (ICALP 2012)</i>, edited by Artur Czumaj, Kurt Mehlhorn, Andrew Pitts, and Roger Wattenhofer, 387–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. <a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">https://doi.org/10.1007/978-3-642-31594-7_33</a>.","short":"S. Gharibian, J. Kempe, in: A. Czumaj, K. Mehlhorn, A. Pitts, R. Wattenhofer (Eds.), International Colloquium on Automata, Languages, and Programming (ICALP 2012), Springer Berlin Heidelberg, Berlin, Heidelberg, 2012, pp. 387–398.","ieee":"S. Gharibian and J. Kempe, “Hardness of Approximation for Quantum Problems,” in <i>International Colloquium on Automata, Languages, and Programming (ICALP 2012)</i>, Warwick, UK, 2012, pp. 387–398, doi: <a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">10.1007/978-3-642-31594-7_33</a>.","apa":"Gharibian, S., &#38; Kempe, J. (2012). Hardness of Approximation for Quantum Problems. In A. Czumaj, K. Mehlhorn, A. Pitts, &#38; R. Wattenhofer (Eds.), <i>International Colloquium on Automata, Languages, and Programming (ICALP 2012)</i> (pp. 387–398). Springer Berlin Heidelberg. <a href=\"https://doi.org/10.1007/978-3-642-31594-7_33\">https://doi.org/10.1007/978-3-642-31594-7_33</a>"},"oa":"1","external_id":{"arxiv":["1209.1055"]},"place":"Berlin, Heidelberg","publication_status":"published","date_updated":"2023-02-28T11:03:26Z","year":"2012","title":"Hardness of Approximation for Quantum Problems","author":[{"full_name":"Gharibian, Sevag","orcid":"0000-0002-9992-3379","last_name":"Gharibian","first_name":"Sevag","id":"71541"},{"full_name":"Kempe, Julia","last_name":"Kempe","first_name":"Julia"}],"publication_identifier":{"isbn":["978-3-642-31594-7"]},"doi":"10.1007/978-3-642-31594-7_33","main_file_link":[{"url":"https://arxiv.org/abs/1209.1055","open_access":"1"}],"language":[{"iso":"eng"}],"extern":"1","abstract":[{"text":"The polynomial hierarchy plays a central role in classical complexity theory. Here, we define a quantum generalization of the polynomial hierarchy, and initiate its study. We show that not only are there natural complete problems for the second level of this quantum hierarchy, but that these problems are in fact hard to approximate. Our work thus yields the first known hardness of approximation results for a quantum complexity class. Using these techniques, we also obtain hardness of approximation for the class QCMA. Our approach is based on the use of dispersers, and is inspired by the classical results of Umans regarding hardness of approximation for the second level of the classical polynomial hierarchy (Umans 1999). We close by showing that a variant of the local Hamiltonian problem with hybrid classical-quantum ground states is complete for the second level of our quantum hierarchy.","lang":"eng"}],"publication":"International Colloquium on Automata, Languages, and Programming (ICALP 2012)","type":"conference","department":[{"_id":"623"},{"_id":"7"}],"date_created":"2019-03-01T11:55:18Z"},{"citation":{"bibtex":"@article{Gharibian_Kempe_2012, title={Approximation Algorithms for QMA-Complete Problems}, volume={41}, DOI={<a href=\"https://doi.org/10.1137/110842272\">10.1137/110842272</a>}, number={4}, journal={SIAM Journal on Computing}, publisher={Society for Industrial &#38; Applied Mathematics (SIAM)}, author={Gharibian, Sevag and Kempe, Julia}, year={2012}, pages={1028–1050} }","chicago":"Gharibian, Sevag, and Julia Kempe. “Approximation Algorithms for QMA-Complete Problems.” <i>SIAM Journal on Computing</i> 41, no. 4 (2012): 1028–50. <a href=\"https://doi.org/10.1137/110842272\">https://doi.org/10.1137/110842272</a>.","ama":"Gharibian S, Kempe J. Approximation Algorithms for QMA-Complete Problems. <i>SIAM Journal on Computing</i>. 2012;41(4):1028-1050. doi:<a href=\"https://doi.org/10.1137/110842272\">10.1137/110842272</a>","short":"S. Gharibian, J. Kempe, SIAM Journal on Computing 41 (2012) 1028–1050.","ieee":"S. Gharibian and J. Kempe, “Approximation Algorithms for QMA-Complete Problems,” <i>SIAM Journal on Computing</i>, vol. 41, no. 4, pp. 1028–1050, 2012, doi: <a href=\"https://doi.org/10.1137/110842272\">10.1137/110842272</a>.","mla":"Gharibian, Sevag, and Julia Kempe. “Approximation Algorithms for QMA-Complete Problems.” <i>SIAM Journal on Computing</i>, vol. 41, no. 4, Society for Industrial &#38; Applied Mathematics (SIAM), 2012, pp. 1028–50, doi:<a href=\"https://doi.org/10.1137/110842272\">10.1137/110842272</a>.","apa":"Gharibian, S., &#38; Kempe, J. (2012). Approximation Algorithms for QMA-Complete Problems. <i>SIAM Journal on Computing</i>, <i>41</i>(4), 1028–1050. <a href=\"https://doi.org/10.1137/110842272\">https://doi.org/10.1137/110842272</a>"},"external_id":{"arxiv":["1101.3884"]},"oa":"1","status":"public","page":"1028-1050","_id":"8175","publisher":"Society for Industrial & Applied Mathematics (SIAM)","user_id":"71541","volume":41,"publication":"SIAM Journal on Computing","issue":"4","extern":"1","abstract":[{"text":"Approximation algorithms for classical constraint satisfaction problems are one of the main research areas in theoretical computer science. Here we define a natural approximation version of the QMA-complete local Hamiltonian problem (where QMA stands for Quantum Merlin Arthur) and initiate its study. We present two main results. The first shows that a nontrivial approximation ratio can be obtained in the class NP using product states. The second result (which builds on the first one) gives a polynomial time (classical) algorithm providing a similar approximation ratio for dense instances of the problem. The latter result is based on an adaptation of the “exhaustive sampling method” by Arora, Karger, and Karpinski [J. Comput. System Sci., 58 (1999), p. 193] to the quantum setting and might be of independent interest.","lang":"eng"}],"date_created":"2019-03-01T12:04:03Z","type":"journal_article","department":[{"_id":"623"},{"_id":"7"}],"title":"Approximation Algorithms for QMA-Complete Problems","year":"2012","author":[{"first_name":"Sevag","orcid":"0000-0002-9992-3379","last_name":"Gharibian","full_name":"Gharibian, Sevag","id":"71541"},{"full_name":"Kempe, Julia","last_name":"Kempe","first_name":"Julia"}],"publication_identifier":{"issn":["0097-5397","1095-7111"]},"publication_status":"published","date_updated":"2023-02-28T11:03:50Z","article_type":"original","intvolume":"        41","main_file_link":[{"url":"https://arxiv.org/abs/1101.3884","open_access":"1"}],"language":[{"iso":"eng"}],"doi":"10.1137/110842272"},{"citation":{"mla":"Gharibian, Sevag. “Quantifying Nonclassicality with Local Unitary Operations.” <i>Physical Review A</i>, vol. 86, American Physical Society, 2012, p. 042106, doi:<a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">10.1103/PhysRevA.86.042106</a>.","bibtex":"@article{Gharibian_2012, title={Quantifying nonclassicality with local unitary operations}, volume={86}, DOI={<a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">10.1103/PhysRevA.86.042106</a>}, journal={Physical Review A}, publisher={American Physical Society}, author={Gharibian, Sevag}, year={2012}, pages={042106} }","ama":"Gharibian S. Quantifying nonclassicality with local unitary operations. <i>Physical Review A</i>. 2012;86:042106. doi:<a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">10.1103/PhysRevA.86.042106</a>","ieee":"S. Gharibian, “Quantifying nonclassicality with local unitary operations,” <i>Physical Review A</i>, vol. 86, p. 042106, 2012, doi: <a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">10.1103/PhysRevA.86.042106</a>.","apa":"Gharibian, S. (2012). Quantifying nonclassicality with local unitary operations. <i>Physical Review A</i>, <i>86</i>, 042106. <a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">https://doi.org/10.1103/PhysRevA.86.042106</a>","chicago":"Gharibian, Sevag. “Quantifying Nonclassicality with Local Unitary Operations.” <i>Physical Review A</i> 86 (2012): 042106. <a href=\"https://doi.org/10.1103/PhysRevA.86.042106\">https://doi.org/10.1103/PhysRevA.86.042106</a>.","short":"S. Gharibian, Physical Review A 86 (2012) 042106."},"external_id":{"arxiv":["1202.1598"]},"oa":"1","status":"public","page":"042106","publisher":"American Physical Society","_id":"8174","user_id":"71541","volume":86,"publication":"Physical Review A","abstract":[{"lang":"eng","text":"We propose a measure of non-classical correlations in bipartite quantum states based on local unitary operations. We prove the measure is non-zero if and only if the quantum discord is non-zero; this is achieved via a new characterization of zero discord states in terms of the state's correlation matrix. Moreover, our scheme can be extended to ensure the same relationship holds even with a generalized version of quantum discord in which higher-rank projective measurements are allowed. We next derive a closed form expression for our scheme in the cases of Werner states and (2 x N)-dimensional systems. The latter reveals that for (2 x N)-dimensional states, our measure reduces to the geometric discord [Dakic et al., PRL 105, 2010]. A connection to the CHSH inequality is shown. We close with a characterization of all maximally non-classical, yet separable, (2 x N)-dimensional states of rank at most two (with respect to our measure)."}],"extern":"1","date_created":"2019-03-01T12:01:41Z","type":"journal_article","department":[{"_id":"623"},{"_id":"7"}],"year":"2012","title":"Quantifying nonclassicality with local unitary operations","author":[{"id":"71541","last_name":"Gharibian","orcid":"0000-0002-9992-3379","first_name":"Sevag","full_name":"Gharibian, Sevag"}],"date_updated":"2023-02-28T11:03:38Z","publication_status":"published","intvolume":"        86","article_type":"original","main_file_link":[{"open_access":"1","url":"https://arxiv.org/abs/1202.1598"}],"language":[{"iso":"eng"}],"doi":"10.1103/PhysRevA.86.042106"},{"oa":"1","citation":{"chicago":"Fuchs, Christian, and Vincent Mosco. “Marx Is Back – The Importance of Marxist Theory and Research for Critical Communication Studies Today.” <i>TripleC – Open Access Journal for a Global Sustainable Information Society</i> 10, no. 2 (2012): 127–632. <a href=\"https://doi.org/10.31269/triplec.v10i2.427\">https://doi.org/10.31269/triplec.v10i2.427</a>.","short":"C. 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Prolegomena to a Digital Labour Theory of Value.” <i>TripleC – Journal for a Global Sustainable Information Society</i> 10, no. 2 (2012): 692–740. <a href=\"https://doi.org/10.31269/triplec.v10i2.443\">https://doi.org/10.31269/triplec.v10i2.443</a>.","short":"C. Fuchs, TripleC – Journal for a Global Sustainable Information Society 10 (2012) 692–740.","apa":"Fuchs, C. (2012). Dallas Smythe Today – The Audience Commodity, the Digital Labour Debate, Marxist Political Economy and Critical Theory. Prolegomena to a Digital Labour Theory of Value. <i>TripleC – Journal for a Global Sustainable Information Society</i>, <i>10</i>(2), 692–740. <a href=\"https://doi.org/10.31269/triplec.v10i2.443\">https://doi.org/10.31269/triplec.v10i2.443</a>","ieee":"C. Fuchs, “Dallas Smythe Today – The Audience Commodity, the Digital Labour Debate, Marxist Political Economy and Critical Theory. 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Prolegomena to a Digital Labour Theory of Value}, volume={10}, DOI={<a href=\"https://doi.org/10.31269/triplec.v10i2.443\">https://doi.org/10.31269/triplec.v10i2.443</a>}, number={2}, journal={tripleC – Journal for a Global Sustainable Information Society}, author={Fuchs, Christian}, year={2012}, pages={692–740} }","mla":"Fuchs, Christian. “Dallas Smythe Today – The Audience Commodity, the Digital Labour Debate, Marxist Political Economy and Critical Theory. Prolegomena to a Digital Labour Theory of Value.” <i>TripleC – Journal for a Global Sustainable Information Society</i>, vol. 10, no. 2, 2012, pp. 692–740, doi:<a href=\"https://doi.org/10.31269/triplec.v10i2.443\">https://doi.org/10.31269/triplec.v10i2.443</a>."},"oa":"1","year":"2012","title":"Dallas Smythe Today – The Audience Commodity, the Digital Labour Debate, Marxist Political Economy and Critical Theory. 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Reflections on the 4th ICTs and Society Conference ‘Critique, Democracy and Philosophy in 21st Century Information Society. Towards Critical Theories of Social Media,’” <i>tripleC - Journal for a Global Sustainable Information Society</i>, vol. 10, no. 1, pp. 114–121, 2012, doi: <a href=\"https://doi.org/10.31269/triplec.v10i1.411\">https://doi.org/10.31269/triplec.v10i1.411</a>.","apa":"Fuchs, C. (2012). New Marxian Times! Reflections on the 4th ICTs and Society Conference “Critique, Democracy and Philosophy in 21st Century Information Society. Towards Critical Theories of Social Media.” <i>TripleC - Journal for a Global Sustainable Information Society</i>, <i>10</i>(1), 114–121. <a href=\"https://doi.org/10.31269/triplec.v10i1.411\">https://doi.org/10.31269/triplec.v10i1.411</a>","bibtex":"@article{Fuchs_2012, title={New Marxian Times! Reflections on the 4th ICTs and Society Conference “Critique, Democracy and Philosophy in 21st Century Information Society. 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Fuchs, “Towards Marxian Internet Studies,” <i>tripleC – Open Access Journal for a Global Sustainable Information Society</i>, vol. 10, no. 2, pp. 392–412, 2012, doi: <a href=\"https://doi.org/10.31269/triplec.v10i2.277\">https://doi.org/10.31269/triplec.v10i2.277</a>.","apa":"Fuchs, C. (2012). 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Cavity-assisted emission of polarization-entangled photons from biexcitons in quantum dots with fine-structure splitting. <i>Optics Express</i>. 2012;20(5):5335-5342. doi:<a href=\"https://doi.org/10.1364/oe.20.005335\">10.1364/oe.20.005335</a>"},"file_date_updated":"2018-09-04T19:10:02Z","volume":20,"user_id":"16199","ddc":["530"],"urn":"39744","_id":"3974","publisher":"OSA","page":"5335-5342","has_accepted_license":"1","status":"public","department":[{"_id":"15"},{"_id":"290"},{"_id":"230"},{"_id":"297"},{"_id":"35"},{"_id":"170"},{"_id":"34"},{"_id":"61"},{"_id":"27"}],"type":"journal_article","keyword":["tet_topic_qd"],"date_created":"2018-08-21T09:03:31Z","file":[{"content_type":"application/pdf","file_id":"3975","file_size":751384,"access_level":"open_access","file_name":"2012 Schumacher,Förstner,Zrenner,Florian,Gies,Gartner,Jahnke_Cavity assisted emission of polarization-entangled photons.pdf","date_updated":"2018-09-04T19:10:02Z","relation":"main_file","date_created":"2018-08-21T09:05:01Z","creator":"hclaudia"}],"abstract":[{"text":"We study the quantum properties and statistics of photons emitted by a quantum-dot biexciton inside a cavity. In the biexciton-exciton cascade, fine-structure splitting between exciton levels degrades polarization-entanglement for the emitted pair of photons. However, here we show that the polarization-entanglement can be preserved in such a system through simultaneous emission of two degenerate photons into cavity modes tuned to half the biexciton energy. Based on detailed theoretical calculations for realistic quantum-dot and cavity parameters, we quantify the degree of achievable entanglement.","lang":"eng"}],"publication":"Optics Express","issue":"5","doi":"10.1364/oe.20.005335","language":[{"iso":"eng"}],"article_type":"original","intvolume":"        20","publication_status":"published","date_updated":"2025-12-16T11:12:04Z","publication_identifier":{"issn":["1094-4087"]},"author":[{"id":"27271","last_name":"Schumacher","orcid":"0000-0003-4042-4951","first_name":"Stefan","full_name":"Schumacher, Stefan"},{"full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862","first_name":"Jens","last_name":"Förstner","id":"158"},{"id":"606","last_name":"Zrenner","orcid":"0000-0002-5190-0944","first_name":"Artur","full_name":"Zrenner, Artur"},{"full_name":"Florian, Matthias","first_name":"Matthias","last_name":"Florian"},{"first_name":"Christopher","last_name":"Gies","full_name":"Gies, Christopher"},{"full_name":"Gartner, Paul","last_name":"Gartner","first_name":"Paul"},{"last_name":"Jahnke","first_name":"Frank","full_name":"Jahnke, Frank"}],"year":"2012","title":"Cavity-assisted emission of polarization-entangled photons from biexcitons in quantum dots with fine-structure splitting"}]