[{"status":"public","publication":"2025 55th European Microwave Conference (EuMC)","type":"conference","language":[{"iso":"eng"}],"keyword":["Phased arrays","Optical fibers","Optical fiber sensors","Laser radar","Optical variables measurement","Apertures","Light emitting diodes","Optical receivers","Optical transmitters","Optical modulation","Lidar","light detection and ranging","FMCW","frequency modulated contentious wave","visible light sensing (VLS)","visible light communication (VLC)","automotive headlights","light emitting diode (LED)","microwave photonics","wireless sensing"],"department":[{"_id":"58"}],"user_id":"38254","_id":"62642","page":"602-605","citation":{"ieee":"S. Kruse, J. Brockmeier, M. Schwengelbeck, T. Schwabe, and J. C. Scheytt, “A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs,” in <i>2025 55th European Microwave Conference (EuMC)</i>, 2025, pp. 602–605, doi: <a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">10.23919/EuMC65286.2025.11235259</a>.","chicago":"Kruse, Stephan, Jan Brockmeier, Max Schwengelbeck, Tobias Schwabe, and J. Christoph Scheytt. “A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs.” In <i>2025 55th European Microwave Conference (EuMC)</i>, 602–5, 2025. <a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">https://doi.org/10.23919/EuMC65286.2025.11235259</a>.","ama":"Kruse S, Brockmeier J, Schwengelbeck M, Schwabe T, Scheytt JC. A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs. In: <i>2025 55th European Microwave Conference (EuMC)</i>. ; 2025:602-605. doi:<a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">10.23919/EuMC65286.2025.11235259</a>","mla":"Kruse, Stephan, et al. “A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs.” <i>2025 55th European Microwave Conference (EuMC)</i>, 2025, pp. 602–05, doi:<a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">10.23919/EuMC65286.2025.11235259</a>.","bibtex":"@inproceedings{Kruse_Brockmeier_Schwengelbeck_Schwabe_Scheytt_2025, title={A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs}, DOI={<a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">10.23919/EuMC65286.2025.11235259</a>}, booktitle={2025 55th European Microwave Conference (EuMC)}, author={Kruse, Stephan and Brockmeier, Jan and Schwengelbeck, Max and Schwabe, Tobias and Scheytt, J. Christoph}, year={2025}, pages={602–605} }","short":"S. Kruse, J. Brockmeier, M. Schwengelbeck, T. Schwabe, J.C. Scheytt, in: 2025 55th European Microwave Conference (EuMC), 2025, pp. 602–605.","apa":"Kruse, S., Brockmeier, J., Schwengelbeck, M., Schwabe, T., &#38; Scheytt, J. C. (2025). A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs. <i>2025 55th European Microwave Conference (EuMC)</i>, 602–605. <a href=\"https://doi.org/10.23919/EuMC65286.2025.11235259\">https://doi.org/10.23919/EuMC65286.2025.11235259</a>"},"year":"2025","doi":"10.23919/EuMC65286.2025.11235259","title":"A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs","author":[{"full_name":"Kruse, Stephan","id":"38254","last_name":"Kruse","first_name":"Stephan"},{"id":"67349","full_name":"Brockmeier, Jan","last_name":"Brockmeier","first_name":"Jan"},{"last_name":"Schwengelbeck","full_name":"Schwengelbeck, Max","first_name":"Max"},{"first_name":"Tobias","full_name":"Schwabe, Tobias","id":"39217","last_name":"Schwabe"},{"last_name":"Scheytt","orcid":"0000-0002-5950-6618 ","id":"37144","full_name":"Scheytt, J. Christoph","first_name":"J. Christoph"}],"date_created":"2025-11-27T07:10:46Z","date_updated":"2025-11-27T07:11:40Z"},{"date_updated":"2024-10-30T14:41:24Z","volume":422,"author":[{"first_name":"Kevin","id":"36303","full_name":"Malena, Kevin","orcid":"0000-0003-1183-4679","last_name":"Malena"}],"supervisor":[{"full_name":"Trächtler, Ansgar","id":"552","last_name":"Trächtler","first_name":"Ansgar"},{"first_name":"Jürgen","last_name":"Krimmling","full_name":"Krimmling, Jürgen"}],"doi":"10.17619/UNIPB/1-2021","publication_identifier":{"isbn":["978-3-947647-41-5"]},"has_accepted_license":"1","publication_status":"published","page":"207","intvolume":"       422","citation":{"bibtex":"@book{Malena_2024, series={Verlagsschriftenreihe des Heinz Nixdorf Instituts}, title={Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems}, volume={422}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-2021\">10.17619/UNIPB/1-2021</a>}, publisher={Heinz Nixdorf Institut, Universität Paderborn}, author={Malena, Kevin}, year={2024}, collection={Verlagsschriftenreihe des Heinz Nixdorf Instituts} }","short":"K. Malena, Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems, Heinz Nixdorf Institut, Universität Paderborn, 2024.","mla":"Malena, Kevin. <i>Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems</i>. Heinz Nixdorf Institut, Universität Paderborn, 2024, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-2021\">10.17619/UNIPB/1-2021</a>.","apa":"Malena, K. (2024). <i>Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems</i> (Vol. 422). Heinz Nixdorf Institut, Universität Paderborn. <a href=\"https://doi.org/10.17619/UNIPB/1-2021\">https://doi.org/10.17619/UNIPB/1-2021</a>","ama":"Malena K. <i>Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems</i>. Vol 422. Heinz Nixdorf Institut, Universität Paderborn; 2024. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-2021\">10.17619/UNIPB/1-2021</a>","chicago":"Malena, Kevin. <i>Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems</i>. Vol. 422. Verlagsschriftenreihe des Heinz Nixdorf Instituts. Heinz Nixdorf Institut, Universität Paderborn, 2024. <a href=\"https://doi.org/10.17619/UNIPB/1-2021\">https://doi.org/10.17619/UNIPB/1-2021</a>.","ieee":"K. Malena, <i>Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems</i>, vol. 422. Heinz Nixdorf Institut, Universität Paderborn, 2024."},"_id":"54552","department":[{"_id":"153"}],"series_title":"Verlagsschriftenreihe des Heinz Nixdorf Instituts","user_id":"36303","file_date_updated":"2024-10-30T13:57:54Z","type":"dissertation","status":"public","publisher":"Heinz Nixdorf Institut, Universität Paderborn","date_created":"2024-06-03T10:42:56Z","title":"Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems","year":"2024","keyword":["Traffic Light System Control","Model Predictive Control"],"ddc":["620"],"language":[{"iso":"ger"}],"abstract":[{"text":"Die vorliegende Dissertation beschreibt das Konzept und den Entwicklungsprozess eines Lichtsignalanlagenregelungssystems bis zur Realumsetzung. Das Regelungssystem, welches im Rahmen des Pilotprojekts Schlosskreuzung entstanden ist, besteht dabei aus zwei untereinander abgestimmten Methoden zur Echtzeit-Verkehrsrekonstruktion und zur modellprädiktiven Regelung des Verkehrssystems anhand der vorhandenen Lichtsignalanlagen. Die Echtzeit-Verkehrsrekonstruktion approximiert dabei simulationsbasiert den aktuellen Verkehrszustand anhand gegebener Messdaten über dynamische Verkehrszuweisungen. Die entwickelte mehrstufige Lichtsignalanlagenregelung nutzt ein Fuzzy-System zur Phasenvorauswahl, um anschließend über eine modellprädiktive Regelung das nichtlineare Problem mit dem Ergebnis der optimalen Kombinationen von Phasen und Schaltzeitpunkten zu lösen. Das Regelungssystem wird in dieser Arbeit anhand eines ausgewählten Verkehrsgebiets zunächst rein simulativ getestet und mit dem vorliegenden Bestandsverfahren verglichen. Im Anschluss an die prototypische Inbetriebnahme wird dieser Vergleich durch die Feldtests abgeschlossen. Entsprechende Ergebnisse zeigen das große Potential der Entwicklung hinsichtlich der Reduktion von Kriterien wie Emissionen oder Wartezeiten und gleichzeitig den Handlungsbedarf für eine standardmäßige Nutzung.","lang":"ger"},{"lang":"eng","text":"This dissertation describes the concept and the development process of a traffic signal control system up to the real implementation.The control system, which was developed in the context of the Pilotprojekt Schlosskreuzung, consists of two mutually coordinated methods for real-time traffic reconstruction and for model-predictive control of the traffic system based on the existing traffic light systems.The real-time traffic reconstruction approximates the current traffic state simulation-based using given measurement data via dynamic traffic assignments.The designed multi-stage traffic signal control system uses a fuzzy-system for phase preselection and subsequently employs model predictive control to solve the nonlinear problem resulting in the optimal combinations of phases and switching times.In this work, the control system is first tested purely simulatively on the basis of a selected traffic area and compared with the existing inventory method.Following the prototypical commissioning, this comparison is finalised by field tests.Corresponding results show the great potential of the development with regard to the reduction of criteria such as emissions or waiting times and at the same time the need for action for use as standard."}],"file":[{"file_size":14902500,"file_id":"56828","access_level":"closed","file_name":"Konzipierung, Analyse und Realumsetzung eines mehrstufigen modellprädiktiven Lichtsignalanlagenregelungssystems-1.pdf","date_updated":"2024-10-30T13:57:54Z","creator":"kmalena","date_created":"2024-10-30T13:57:54Z","success":1,"relation":"main_file","content_type":"application/pdf"}]},{"citation":{"bibtex":"@article{Dainone_Prestes_Renucci_Bouché_Morassi_Devaux_Lindemann_George_Jaffrès_Lemaitre_et al._2024, title={Controlling the helicity of light by electrical magnetization switching}, volume={627}, DOI={<a href=\"https://doi.org/10.1038/s41586-024-07125-5\">10.1038/s41586-024-07125-5</a>}, number={8005}, journal={Nature}, publisher={Springer Science and Business Media LLC}, author={Dainone, Pambiang Abel and Prestes, Nicholas Figueiredo and Renucci, Pierre and Bouché, Alexandre and Morassi, Martina and Devaux, Xavier and Lindemann, Markus and George, Jean-Marie and Jaffrès, Henri and Lemaitre, Aristide and et al.}, year={2024}, pages={783–788} }","mla":"Dainone, Pambiang Abel, et al. “Controlling the Helicity of Light by Electrical Magnetization Switching.” <i>Nature</i>, vol. 627, no. 8005, Springer Science and Business Media LLC, 2024, pp. 783–88, doi:<a href=\"https://doi.org/10.1038/s41586-024-07125-5\">10.1038/s41586-024-07125-5</a>.","short":"P.A. Dainone, N.F. Prestes, P. Renucci, A. Bouché, M. Morassi, X. Devaux, M. Lindemann, J.-M. George, H. Jaffrès, A. Lemaitre, B. Xu, M. Stoffel, T. Chen, L. Lombez, D. Lagarde, G. Cong, T. Ma, P. Pigeat, M. Vergnat, H. Rinnert, X. Marie, X. Han, S. Mangin, J.-C. Rojas-Sánchez, J.-P. Wang, M.C. Beard, N.C. Gerhardt, I. Žutić, Y. Lu, Nature 627 (2024) 783–788.","apa":"Dainone, P. A., Prestes, N. F., Renucci, P., Bouché, A., Morassi, M., Devaux, X., Lindemann, M., George, J.-M., Jaffrès, H., Lemaitre, A., Xu, B., Stoffel, M., Chen, T., Lombez, L., Lagarde, D., Cong, G., Ma, T., Pigeat, P., Vergnat, M., … Lu, Y. (2024). Controlling the helicity of light by electrical magnetization switching. <i>Nature</i>, <i>627</i>(8005), 783–788. <a href=\"https://doi.org/10.1038/s41586-024-07125-5\">https://doi.org/10.1038/s41586-024-07125-5</a>","ieee":"P. A. Dainone <i>et al.</i>, “Controlling the helicity of light by electrical magnetization switching,” <i>Nature</i>, vol. 627, no. 8005, pp. 783–788, 2024, doi: <a href=\"https://doi.org/10.1038/s41586-024-07125-5\">10.1038/s41586-024-07125-5</a>.","chicago":"Dainone, Pambiang Abel, Nicholas Figueiredo Prestes, Pierre Renucci, Alexandre Bouché, Martina Morassi, Xavier Devaux, Markus Lindemann, et al. “Controlling the Helicity of Light by Electrical Magnetization Switching.” <i>Nature</i> 627, no. 8005 (2024): 783–88. <a href=\"https://doi.org/10.1038/s41586-024-07125-5\">https://doi.org/10.1038/s41586-024-07125-5</a>.","ama":"Dainone PA, Prestes NF, Renucci P, et al. Controlling the helicity of light by electrical magnetization switching. <i>Nature</i>. 2024;627(8005):783-788. doi:<a href=\"https://doi.org/10.1038/s41586-024-07125-5\">10.1038/s41586-024-07125-5</a>"},"page":"783-788","intvolume":"       627","publication_status":"published","publication_identifier":{"issn":["0028-0836","1476-4687"]},"doi":"10.1038/s41586-024-07125-5","date_updated":"2026-02-25T14:10:20Z","author":[{"first_name":"Pambiang Abel","last_name":"Dainone","full_name":"Dainone, Pambiang Abel"},{"full_name":"Prestes, Nicholas Figueiredo","last_name":"Prestes","first_name":"Nicholas Figueiredo"},{"last_name":"Renucci","full_name":"Renucci, Pierre","first_name":"Pierre"},{"full_name":"Bouché, Alexandre","last_name":"Bouché","first_name":"Alexandre"},{"first_name":"Martina","full_name":"Morassi, Martina","last_name":"Morassi"},{"last_name":"Devaux","full_name":"Devaux, Xavier","first_name":"Xavier"},{"last_name":"Lindemann","full_name":"Lindemann, Markus","first_name":"Markus"},{"first_name":"Jean-Marie","last_name":"George","full_name":"George, Jean-Marie"},{"last_name":"Jaffrès","full_name":"Jaffrès, Henri","first_name":"Henri"},{"last_name":"Lemaitre","full_name":"Lemaitre, Aristide","first_name":"Aristide"},{"first_name":"Bo","last_name":"Xu","full_name":"Xu, Bo"},{"first_name":"Mathieu","full_name":"Stoffel, Mathieu","last_name":"Stoffel"},{"first_name":"Tongxin","full_name":"Chen, Tongxin","last_name":"Chen"},{"first_name":"Laurent","last_name":"Lombez","full_name":"Lombez, Laurent"},{"full_name":"Lagarde, Delphine","last_name":"Lagarde","first_name":"Delphine"},{"full_name":"Cong, Guangwei","last_name":"Cong","first_name":"Guangwei"},{"last_name":"Ma","full_name":"Ma, Tianyi","first_name":"Tianyi"},{"full_name":"Pigeat, Philippe","last_name":"Pigeat","first_name":"Philippe"},{"last_name":"Vergnat","full_name":"Vergnat, Michel","first_name":"Michel"},{"full_name":"Rinnert, Hervé","last_name":"Rinnert","first_name":"Hervé"},{"first_name":"Xavier","last_name":"Marie","full_name":"Marie, Xavier"},{"first_name":"Xiufeng","full_name":"Han, Xiufeng","last_name":"Han"},{"first_name":"Stephane","full_name":"Mangin, Stephane","last_name":"Mangin"},{"first_name":"Juan-Carlos","last_name":"Rojas-Sánchez","full_name":"Rojas-Sánchez, Juan-Carlos"},{"last_name":"Wang","full_name":"Wang, Jian-Ping","first_name":"Jian-Ping"},{"last_name":"Beard","full_name":"Beard, Matthew C.","first_name":"Matthew C."},{"first_name":"Nils Christopher","orcid":"0009-0002-5538-231X","last_name":"Gerhardt","full_name":"Gerhardt, Nils Christopher","id":"115298"},{"full_name":"Žutić, Igor","last_name":"Žutić","first_name":"Igor"},{"full_name":"Lu, Yuan","last_name":"Lu","first_name":"Yuan"}],"volume":627,"status":"public","type":"journal_article","article_type":"original","extern":"1","_id":"59663","user_id":"15911","department":[{"_id":"977"}],"year":"2024","quality_controlled":"1","issue":"8005","title":"Controlling the helicity of light by electrical magnetization switching","publisher":"Springer Science and Business Media LLC","date_created":"2025-04-23T13:27:27Z","abstract":[{"lang":"eng","text":"Controlling the intensity of emitted light and charge current is the basis of transferring and processing information1. By contrast, robust information storage and magnetic random-access memories are implemented using the spin of the carrier and the associated magnetization in ferromagnets2. The missing link between the respective disciplines of photonics, electronics and spintronics is to modulate the circular polarization of the emitted light, rather than its intensity, by electrically controlled magnetization. Here we demonstrate that this missing link is established at room temperature and zero applied magnetic field in light-emitting diodes2,3,4,5,6,7, through the transfer of angular momentum between photons, electrons and ferromagnets. With spin–orbit torque8,9,10,11, a charge current generates also a spin current to electrically switch the magnetization. This switching determines the spin orientation of injected carriers into semiconductors, in which the transfer of angular momentum from the electron spin to photon controls the circular polarization of the emitted light2. The spin–photon conversion with the nonvolatile control of magnetization opens paths to seamlessly integrate information transfer, processing and storage. Our results provide substantial advances towards electrically controlled ultrafast modulation of circular polarization and spin injection with magnetization dynamics for the next-generation information and communication technology12, including space–light data transfer. The same operating principle in scaled-down structures or using two-dimensional materials will enable transformative opportunities for quantum information processing with spin-controlled single-photon sources, as well as for implementing spin-dependent time-resolved spectroscopies."}],"publication":"Nature","keyword":["Lasers","LEDs and light sources","Spintronics"],"language":[{"iso":"eng"}]},{"publication":"Macromolecular Symposia","language":[{"iso":"eng"}],"keyword":["digital light processing","material combination","reactive direct bonding","vat photopolymerization"],"issue":"1","quality_controlled":"1","year":"2022","date_created":"2022-11-03T13:21:13Z","publisher":"Wiley","title":"Reactive Direct Bonding of Digital Light Process Components","type":"journal_article","status":"public","department":[{"_id":"9"},{"_id":"367"}],"user_id":"38770","_id":"33988","article_type":"original","article_number":"2100396","has_accepted_license":"1","publication_identifier":{"issn":["1022-1360","1521-3900"]},"publication_status":"published","intvolume":"       404","citation":{"bibtex":"@article{Moritzer_Driediger_2022, title={Reactive Direct Bonding of Digital Light Process Components}, volume={404}, DOI={<a href=\"https://doi.org/10.1002/masy.202100396\">10.1002/masy.202100396</a>}, number={12100396}, journal={Macromolecular Symposia}, publisher={Wiley}, author={Moritzer, Elmar and Driediger, Christine}, year={2022} }","short":"E. Moritzer, C. Driediger, Macromolecular Symposia 404 (2022).","mla":"Moritzer, Elmar, and Christine Driediger. “Reactive Direct Bonding of Digital Light Process Components.” <i>Macromolecular Symposia</i>, vol. 404, no. 1, 2100396, Wiley, 2022, doi:<a href=\"https://doi.org/10.1002/masy.202100396\">10.1002/masy.202100396</a>.","apa":"Moritzer, E., &#38; Driediger, C. (2022). Reactive Direct Bonding of Digital Light Process Components. <i>Macromolecular Symposia</i>, <i>404</i>(1), Article 2100396. <a href=\"https://doi.org/10.1002/masy.202100396\">https://doi.org/10.1002/masy.202100396</a>","ama":"Moritzer E, Driediger C. Reactive Direct Bonding of Digital Light Process Components. <i>Macromolecular Symposia</i>. 2022;404(1). doi:<a href=\"https://doi.org/10.1002/masy.202100396\">10.1002/masy.202100396</a>","chicago":"Moritzer, Elmar, and Christine Driediger. “Reactive Direct Bonding of Digital Light Process Components.” <i>Macromolecular Symposia</i> 404, no. 1 (2022). <a href=\"https://doi.org/10.1002/masy.202100396\">https://doi.org/10.1002/masy.202100396</a>.","ieee":"E. Moritzer and C. Driediger, “Reactive Direct Bonding of Digital Light Process Components,” <i>Macromolecular Symposia</i>, vol. 404, no. 1, Art. no. 2100396, 2022, doi: <a href=\"https://doi.org/10.1002/masy.202100396\">10.1002/masy.202100396</a>."},"volume":404,"author":[{"first_name":"Elmar","full_name":"Moritzer, Elmar","last_name":"Moritzer"},{"full_name":"Driediger, Christine","last_name":"Driediger","first_name":"Christine"}],"date_updated":"2022-11-03T13:32:18Z","doi":"10.1002/masy.202100396"},{"year":"2022","citation":{"ama":"Letmathe S, Feng Y, Uhde A. Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall. <i>Journal of Risk</i>. 25(2).","chicago":"Letmathe, Sebastian, Yuanhua Feng, and André Uhde. “Semiparametric GARCH Models with Long Memory Applied to Value at Risk and Expected Shortfall.” <i>Journal of Risk</i> 25, no. 2 (n.d.).","ieee":"S. Letmathe, Y. Feng, and A. Uhde, “Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall,” <i>Journal of Risk</i>, vol. 25, no. 2.","short":"S. Letmathe, Y. Feng, A. Uhde, Journal of Risk 25 (n.d.).","mla":"Letmathe, Sebastian, et al. “Semiparametric GARCH Models with Long Memory Applied to Value at Risk and Expected Shortfall.” <i>Journal of Risk</i>, vol. 25, no. 2.","bibtex":"@article{Letmathe_Feng_Uhde, title={Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall}, volume={25}, number={2}, journal={Journal of Risk}, author={Letmathe, Sebastian and Feng, Yuanhua and Uhde, André} }","apa":"Letmathe, S., Feng, Y., &#38; Uhde, A. (n.d.). Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall. <i>Journal of Risk</i>, <i>25</i>(2)."},"intvolume":"        25","publication_status":"inpress","issue":"2","title":"Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall","date_updated":"2023-11-17T10:26:36Z","author":[{"first_name":"Sebastian","last_name":"Letmathe","id":"23991","full_name":"Letmathe, Sebastian"},{"first_name":"Yuanhua","full_name":"Feng, Yuanhua","id":"20760","last_name":"Feng"},{"first_name":"André","last_name":"Uhde","full_name":"Uhde, André","id":"36049"}],"date_created":"2023-01-11T10:50:27Z","volume":25,"abstract":[{"text":"In this paper new semiparametric generalized autoregressive conditional heteroscedasticity (GARCH) models with long memory are introduced. A multiplicative decomposition of the volatility into a conditional component and an unconditional component is assumed. The estimation of the latter is carried out by means of a data-driven local polynomial smoother. According to the revised recommendations by the Basel Committee on Banking Supervision to measure market risk in the banks’ trading books, these new semiparametric GARCH models are applied to obtain rolling one-step ahead forecasts for the value-at-risk and expected shortfall (ES) for market risk assets. Standard regulatory traffic-light tests and a newly introduced traffic-light test for the ES are carried out for all models. In addition, model performance is assessed via a recently introduced model selection criterion. The practical relevance of our proposal is demonstrated by a comparative study. Our results indicate that semiparametric long-memory GARCH models are a meaningful substitute for their conventional, parametric counterparts. ","lang":"eng"}],"status":"public","type":"journal_article","publication":"Journal of Risk","article_type":"original","keyword":["long memory","generalized autoregressive conditional heteroscedasticity (GARCH) models","value-at-risk (VaR)","expected shortfall (ES)","traffic-light test","backtesting"],"language":[{"iso":"eng"}],"_id":"35992","user_id":"36049","department":[{"_id":"186"},{"_id":"188"}]},{"status":"public","abstract":[{"lang":"eng","text":"In this paper new semiparametric GARCH models with long memory are in- troduced. The estimation of the nonparametric scale function is carried out by an adapted version of the SEMIFAR algorithm (Beran et al., 2002). Recurring on the revised recommendations by the Basel Committee to measure market risk in the banks' trading books (Basel Committee on Banking Supervision, 2013), the semi- parametric GARCH models are applied to obtain rolling one-step ahead forecasts for the Value at Risk (VaR) and Expected Shortfall (ES) for market risk assets. In addition, standard regulatory traffic light tests (Basel Committee on Banking Supervision, 1996) and a newly introduced traffic light test for the ES are carried out for all models. The practical relevance of our proposal is demonstrated by a comparative study. Our results indicate that semiparametric long memory GARCH models are an attractive alternative to their conventional, parametric counterparts."}],"publication":"Journal of Risk","type":"journal_article","language":[{"iso":"eng"}],"keyword":["Semiparametric","long memory","GARCH models","forecasting","Value at Risk","Expected Shortfall","traffic light test","Basel Committee on Banking Supervision"],"department":[{"_id":"186"},{"_id":"19"}],"user_id":"36049","_id":"29317","citation":{"ama":"Letmathe S, Feng Y, Uhde A. Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall. <i>Journal of Risk</i>. doi:<a href=\"https://doi.org/10.21314/JOR.2022.044\">10.21314/JOR.2022.044</a>","ieee":"S. Letmathe, Y. Feng, and A. Uhde, “Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall,” <i>Journal of Risk</i>, doi: <a href=\"https://doi.org/10.21314/JOR.2022.044\">10.21314/JOR.2022.044</a>.","chicago":"Letmathe, Sebastian, Yuanhua Feng, and André Uhde. “Semiparametric GARCH Models with Long Memory Applied to Value at Risk and Expected Shortfall.” <i>Journal of Risk</i>, n.d. <a href=\"https://doi.org/10.21314/JOR.2022.044\">https://doi.org/10.21314/JOR.2022.044</a>.","apa":"Letmathe, S., Feng, Y., &#38; Uhde, A. (n.d.). Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall. <i>Journal of Risk</i>. <a href=\"https://doi.org/10.21314/JOR.2022.044\">https://doi.org/10.21314/JOR.2022.044</a>","bibtex":"@article{Letmathe_Feng_Uhde, title={Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall}, DOI={<a href=\"https://doi.org/10.21314/JOR.2022.044\">10.21314/JOR.2022.044</a>}, journal={Journal of Risk}, author={Letmathe, Sebastian and Feng, Yuanhua and Uhde, André} }","mla":"Letmathe, Sebastian, et al. “Semiparametric GARCH Models with Long Memory Applied to Value at Risk and Expected Shortfall.” <i>Journal of Risk</i>, doi:<a href=\"https://doi.org/10.21314/JOR.2022.044\">10.21314/JOR.2022.044</a>.","short":"S. Letmathe, Y. Feng, A. Uhde, Journal of Risk (n.d.)."},"jel":["C14","C51","C52","G17","G32"],"year":"2022","publication_status":"inpress","doi":"10.21314/JOR.2022.044","title":"Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall","author":[{"first_name":"Sebastian","id":"23991","full_name":"Letmathe, Sebastian","last_name":"Letmathe"},{"first_name":"Yuanhua","id":"20760","full_name":"Feng, Yuanhua","last_name":"Feng"},{"first_name":"André","full_name":"Uhde, André","id":"36049","orcid":"https://orcid.org/0000-0002-8058-8857","last_name":"Uhde"}],"date_created":"2022-01-13T11:23:02Z","date_updated":"2024-04-17T13:34:54Z"},{"keyword":["backbone-degradable","light-responsive","redox-responsive","drug delivery","nanoparticles"],"language":[{"iso":"eng"}],"publication":"ACS Applied Polymer Materials","publisher":"American Chemical Society (ACS)","date_created":"2025-04-22T06:02:11Z","title":"Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery","quality_controlled":"1","issue":"8","year":"2021","_id":"59620","user_id":"62844","department":[{"_id":"311"}],"article_type":"original","type":"journal_article","status":"public","date_updated":"2025-04-22T06:12:02Z","author":[{"last_name":"Rust","full_name":"Rust, Tarik","first_name":"Tarik"},{"full_name":"Jung, Dimitri","last_name":"Jung","first_name":"Dimitri"},{"last_name":"Hoppe","full_name":"Hoppe, Axel","id":"62844","first_name":"Axel"},{"first_name":"Timo","last_name":"Schoppa","full_name":"Schoppa, Timo"},{"last_name":"Langer","full_name":"Langer, Klaus","first_name":"Klaus"},{"last_name":"Kuckling","full_name":"Kuckling, Dirk","id":"287","first_name":"Dirk"}],"volume":3,"main_file_link":[{"url":"https://pubs.acs.org/doi/10.1021/acsapm.1c00411?ref=PDF"}],"doi":"10.1021/acsapm.1c00411","publication_status":"published","publication_identifier":{"issn":["2637-6105","2637-6105"]},"citation":{"apa":"Rust, T., Jung, D., Hoppe, A., Schoppa, T., Langer, K., &#38; Kuckling, D. (2021). Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery. <i>ACS Applied Polymer Materials</i>, <i>3</i>(8), 3831–3842. <a href=\"https://doi.org/10.1021/acsapm.1c00411\">https://doi.org/10.1021/acsapm.1c00411</a>","mla":"Rust, Tarik, et al. “Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery.” <i>ACS Applied Polymer Materials</i>, vol. 3, no. 8, American Chemical Society (ACS), 2021, pp. 3831–42, doi:<a href=\"https://doi.org/10.1021/acsapm.1c00411\">10.1021/acsapm.1c00411</a>.","bibtex":"@article{Rust_Jung_Hoppe_Schoppa_Langer_Kuckling_2021, title={Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery}, volume={3}, DOI={<a href=\"https://doi.org/10.1021/acsapm.1c00411\">10.1021/acsapm.1c00411</a>}, number={8}, journal={ACS Applied Polymer Materials}, publisher={American Chemical Society (ACS)}, author={Rust, Tarik and Jung, Dimitri and Hoppe, Axel and Schoppa, Timo and Langer, Klaus and Kuckling, Dirk}, year={2021}, pages={3831–3842} }","short":"T. Rust, D. Jung, A. Hoppe, T. Schoppa, K. Langer, D. Kuckling, ACS Applied Polymer Materials 3 (2021) 3831–3842.","ieee":"T. Rust, D. Jung, A. Hoppe, T. Schoppa, K. Langer, and D. Kuckling, “Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery,” <i>ACS Applied Polymer Materials</i>, vol. 3, no. 8, pp. 3831–3842, 2021, doi: <a href=\"https://doi.org/10.1021/acsapm.1c00411\">10.1021/acsapm.1c00411</a>.","chicago":"Rust, Tarik, Dimitri Jung, Axel Hoppe, Timo Schoppa, Klaus Langer, and Dirk Kuckling. “Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery.” <i>ACS Applied Polymer Materials</i> 3, no. 8 (2021): 3831–42. <a href=\"https://doi.org/10.1021/acsapm.1c00411\">https://doi.org/10.1021/acsapm.1c00411</a>.","ama":"Rust T, Jung D, Hoppe A, Schoppa T, Langer K, Kuckling D. Backbone-Degradable (Co-)Polymers for Light-Triggered Drug Delivery. <i>ACS Applied Polymer Materials</i>. 2021;3(8):3831-3842. doi:<a href=\"https://doi.org/10.1021/acsapm.1c00411\">10.1021/acsapm.1c00411</a>"},"page":"3831-3842","intvolume":"         3"},{"publication":"2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference","type":"conference","abstract":[{"text":"We experimentally investigate the generation of continuous-wave optical squeezing from a titanium-indiffused lithium niobate waveguide resonator at low and high frequencies. The device promises integration with different platform chips for more complex optical systems.","lang":"eng"}],"status":"public","_id":"39027","department":[{"_id":"15"},{"_id":"288"}],"user_id":"42777","keyword":["Optical systems","Polymer waveguides","Quantum key distribution","Quantum light sources","Squeezed states","Waveguides"],"language":[{"iso":"eng"}],"year":"2021","page":"eb_4_1","citation":{"ama":"Domeneguetti RR, Conradi H, Kleinert M, et al. Nonlinear waveguides for integrated quantum light source. In: <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>. Optica Publishing Group; 2021:eb_4_1.","chicago":"Domeneguetti, Renato R., Hauke Conradi, Moritz Kleinert, Christian Kießler, Michael Stefszky, Harald Herrmann, Christine Silberhorn, Ulrik L. Andersen, Jonas Schou Neergaard-Nielsen, and Tobias Gehring. “Nonlinear Waveguides for Integrated Quantum Light Source.” In <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, eb_4_1. Optica Publishing Group, 2021.","ieee":"R. R. Domeneguetti <i>et al.</i>, “Nonlinear waveguides for integrated quantum light source,” in <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, 2021, p. eb_4_1.","apa":"Domeneguetti, R. R., Conradi, H., Kleinert, M., Kießler, C., Stefszky, M., Herrmann, H., Silberhorn, C., Andersen, U. L., Neergaard-Nielsen, J. S., &#38; Gehring, T. (2021). Nonlinear waveguides for integrated quantum light source. <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, eb_4_1.","short":"R.R. Domeneguetti, H. Conradi, M. Kleinert, C. Kießler, M. Stefszky, H. Herrmann, C. Silberhorn, U.L. Andersen, J.S. Neergaard-Nielsen, T. Gehring, in: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Optica Publishing Group, 2021, p. eb_4_1.","mla":"Domeneguetti, Renato R., et al. “Nonlinear Waveguides for Integrated Quantum Light Source.” <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, Optica Publishing Group, 2021, p. eb_4_1.","bibtex":"@inproceedings{Domeneguetti_Conradi_Kleinert_Kießler_Stefszky_Herrmann_Silberhorn_Andersen_Neergaard-Nielsen_Gehring_2021, title={Nonlinear waveguides for integrated quantum light source}, booktitle={2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference}, publisher={Optica Publishing Group}, author={Domeneguetti, Renato R. and Conradi, Hauke and Kleinert, Moritz and Kießler, Christian and Stefszky, Michael and Herrmann, Harald and Silberhorn, Christine and Andersen, Ulrik L. and Neergaard-Nielsen, Jonas Schou and Gehring, Tobias}, year={2021}, pages={eb_4_1} }"},"date_updated":"2026-01-16T10:21:27Z","publisher":"Optica Publishing Group","date_created":"2023-01-24T08:06:33Z","author":[{"full_name":"Domeneguetti, Renato R.","last_name":"Domeneguetti","first_name":"Renato R."},{"full_name":"Conradi, Hauke","last_name":"Conradi","first_name":"Hauke"},{"full_name":"Kleinert, Moritz","last_name":"Kleinert","first_name":"Moritz"},{"first_name":"Christian","id":"44252","full_name":"Kießler, Christian","last_name":"Kießler"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Harald","id":"216","full_name":"Herrmann, Harald","last_name":"Herrmann"},{"first_name":"Christine","full_name":"Silberhorn, Christine","id":"26263","last_name":"Silberhorn"},{"first_name":"Ulrik L.","last_name":"Andersen","full_name":"Andersen, Ulrik L."},{"last_name":"Neergaard-Nielsen","full_name":"Neergaard-Nielsen, Jonas Schou","first_name":"Jonas Schou"},{"first_name":"Tobias","full_name":"Gehring, Tobias","last_name":"Gehring"}],"title":"Nonlinear waveguides for integrated quantum light source"},{"type":"journal_article","publication":"International Journal of Pharmaceutics","status":"public","user_id":"94","department":[{"_id":"311"}],"_id":"30934","language":[{"iso":"eng"}],"keyword":["Light-responsive polymersPhotodynamic therapyControlled drug deliveryHT-29-MTX cellsIntestinal cancer"],"publication_status":"published","publication_identifier":{"issn":["0378-5173"]},"citation":{"short":"L. Mahlert, J. Anderski, T. Schoppa, D. Mulac, J. Sun, D. Kuckling, K. Langer, International Journal of Pharmaceutics 565 (2019) 199–208.","mla":"Mahlert, Laura, et al. “In Vitro Evaluation of Innovative Light-Responsive Nanoparticles for Controlled Drug Release in Intestinal PDT.” <i>International Journal of Pharmaceutics</i>, vol. 565, Elsevier BV, 2019, pp. 199–208, doi:<a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">10.1016/j.ijpharm.2019.04.077</a>.","bibtex":"@article{Mahlert_Anderski_Schoppa_Mulac_Sun_Kuckling_Langer_2019, title={In vitro evaluation of innovative light-responsive nanoparticles for controlled drug release in intestinal PDT}, volume={565}, DOI={<a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">10.1016/j.ijpharm.2019.04.077</a>}, journal={International Journal of Pharmaceutics}, publisher={Elsevier BV}, author={Mahlert, Laura and Anderski, Juliane and Schoppa, Timo and Mulac, Dennis and Sun, Jingjiang and Kuckling, Dirk and Langer, Klaus}, year={2019}, pages={199–208} }","apa":"Mahlert, L., Anderski, J., Schoppa, T., Mulac, D., Sun, J., Kuckling, D., &#38; Langer, K. (2019). In vitro evaluation of innovative light-responsive nanoparticles for controlled drug release in intestinal PDT. <i>International Journal of Pharmaceutics</i>, <i>565</i>, 199–208. <a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">https://doi.org/10.1016/j.ijpharm.2019.04.077</a>","chicago":"Mahlert, Laura, Juliane Anderski, Timo Schoppa, Dennis Mulac, Jingjiang Sun, Dirk Kuckling, and Klaus Langer. “In Vitro Evaluation of Innovative Light-Responsive Nanoparticles for Controlled Drug Release in Intestinal PDT.” <i>International Journal of Pharmaceutics</i> 565 (2019): 199–208. <a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">https://doi.org/10.1016/j.ijpharm.2019.04.077</a>.","ieee":"L. Mahlert <i>et al.</i>, “In vitro evaluation of innovative light-responsive nanoparticles for controlled drug release in intestinal PDT,” <i>International Journal of Pharmaceutics</i>, vol. 565, pp. 199–208, 2019, doi: <a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">10.1016/j.ijpharm.2019.04.077</a>.","ama":"Mahlert L, Anderski J, Schoppa T, et al. In vitro evaluation of innovative light-responsive nanoparticles for controlled drug release in intestinal PDT. <i>International Journal of Pharmaceutics</i>. 2019;565:199-208. doi:<a href=\"https://doi.org/10.1016/j.ijpharm.2019.04.077\">10.1016/j.ijpharm.2019.04.077</a>"},"intvolume":"       565","page":"199-208","year":"2019","author":[{"last_name":"Mahlert","full_name":"Mahlert, Laura","first_name":"Laura"},{"first_name":"Juliane","full_name":"Anderski, Juliane","last_name":"Anderski"},{"first_name":"Timo","full_name":"Schoppa, Timo","last_name":"Schoppa"},{"first_name":"Dennis","last_name":"Mulac","full_name":"Mulac, Dennis"},{"last_name":"Sun","full_name":"Sun, Jingjiang","first_name":"Jingjiang"},{"first_name":"Dirk","id":"287","full_name":"Kuckling, Dirk","last_name":"Kuckling"},{"first_name":"Klaus","last_name":"Langer","full_name":"Langer, Klaus"}],"date_created":"2022-04-21T09:12:07Z","volume":565,"publisher":"Elsevier BV","date_updated":"2022-04-21T09:13:07Z","doi":"10.1016/j.ijpharm.2019.04.077","title":"In vitro evaluation of innovative light-responsive nanoparticles for controlled drug release in intestinal PDT"},{"publication_identifier":{"issn":["2576-6422","2576-6422"]},"publication_status":"published","issue":"7","year":"2019","intvolume":"         2","page":"3038-3051","citation":{"mla":"Sun, Jingjiang, et al. “Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds.” <i>ACS Applied Bio Materials</i>, vol. 2, no. 7, American Chemical Society (ACS), 2019, pp. 3038–51, doi:<a href=\"https://doi.org/10.1021/acsabm.9b00347\">10.1021/acsabm.9b00347</a>.","bibtex":"@article{Sun_Jung_Schoppa_Anderski_Picker_Ren_Mulac_Stein_Langer_Kuckling_2019, title={Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds}, volume={2}, DOI={<a href=\"https://doi.org/10.1021/acsabm.9b00347\">10.1021/acsabm.9b00347</a>}, number={7}, journal={ACS Applied Bio Materials}, publisher={American Chemical Society (ACS)}, author={Sun, Jingjiang and Jung, Dimitri and Schoppa, Timo and Anderski, Juliane and Picker, Marie-Theres and Ren, Yi and Mulac, Dennis and Stein, Nora and Langer, Klaus and Kuckling, Dirk}, year={2019}, pages={3038–3051} }","short":"J. Sun, D. Jung, T. Schoppa, J. Anderski, M.-T. Picker, Y. Ren, D. Mulac, N. Stein, K. Langer, D. Kuckling, ACS Applied Bio Materials 2 (2019) 3038–3051.","apa":"Sun, J., Jung, D., Schoppa, T., Anderski, J., Picker, M.-T., Ren, Y., Mulac, D., Stein, N., Langer, K., &#38; Kuckling, D. (2019). Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds. <i>ACS Applied Bio Materials</i>, <i>2</i>(7), 3038–3051. <a href=\"https://doi.org/10.1021/acsabm.9b00347\">https://doi.org/10.1021/acsabm.9b00347</a>","ieee":"J. Sun <i>et al.</i>, “Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds,” <i>ACS Applied Bio Materials</i>, vol. 2, no. 7, pp. 3038–3051, 2019, doi: <a href=\"https://doi.org/10.1021/acsabm.9b00347\">10.1021/acsabm.9b00347</a>.","chicago":"Sun, Jingjiang, Dimitri Jung, Timo Schoppa, Juliane Anderski, Marie-Theres Picker, Yi Ren, Dennis Mulac, Nora Stein, Klaus Langer, and Dirk Kuckling. “Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds.” <i>ACS Applied Bio Materials</i> 2, no. 7 (2019): 3038–51. <a href=\"https://doi.org/10.1021/acsabm.9b00347\">https://doi.org/10.1021/acsabm.9b00347</a>.","ama":"Sun J, Jung D, Schoppa T, et al. Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds. <i>ACS Applied Bio Materials</i>. 2019;2(7):3038-3051. doi:<a href=\"https://doi.org/10.1021/acsabm.9b00347\">10.1021/acsabm.9b00347</a>"},"date_updated":"2022-04-21T09:16:31Z","publisher":"American Chemical Society (ACS)","volume":2,"date_created":"2022-04-21T09:15:22Z","author":[{"first_name":"Jingjiang","full_name":"Sun, Jingjiang","last_name":"Sun"},{"first_name":"Dimitri","full_name":"Jung, Dimitri","last_name":"Jung"},{"first_name":"Timo","full_name":"Schoppa, Timo","last_name":"Schoppa"},{"first_name":"Juliane","full_name":"Anderski, Juliane","last_name":"Anderski"},{"last_name":"Picker","full_name":"Picker, Marie-Theres","first_name":"Marie-Theres"},{"first_name":"Yi","full_name":"Ren, Yi","last_name":"Ren"},{"first_name":"Dennis","last_name":"Mulac","full_name":"Mulac, Dennis"},{"last_name":"Stein","full_name":"Stein, Nora","first_name":"Nora"},{"full_name":"Langer, Klaus","last_name":"Langer","first_name":"Klaus"},{"first_name":"Dirk","last_name":"Kuckling","id":"287","full_name":"Kuckling, Dirk"}],"title":"Light-Responsive Serinol-Based Polycarbonate and Polyester as Degradable Scaffolds","doi":"10.1021/acsabm.9b00347","publication":"ACS Applied Bio Materials","type":"journal_article","status":"public","_id":"30936","department":[{"_id":"311"}],"user_id":"94","keyword":["light-responsive polymers","biodegradable polymers","polycondensation"],"language":[{"iso":"eng"}]},{"intvolume":"       768","citation":{"ama":"Bünnings C, Schiele V. <i>Spring Forward, Don’t Fall Back: The Effect of Daylight Saving Time on Road Safety</i>. Vol 768. RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen; 2018.","ieee":"C. Bünnings and V. Schiele, <i>Spring forward, don’t fall back: The effect of daylight saving time on road safety</i>, vol. 768. RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2018.","chicago":"Bünnings, Christian, and Valentin Schiele. <i>Spring Forward, Don’t Fall Back: The Effect of Daylight Saving Time on Road Safety</i>. Vol. 768.  Ruhr Economic Papers. RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2018.","bibtex":"@book{Bünnings_Schiele_2018, series={ Ruhr Economic Papers}, title={Spring forward, don’t fall back: The effect of daylight saving time on road safety}, volume={768}, publisher={RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen}, author={Bünnings, Christian and Schiele, Valentin}, year={2018}, collection={ Ruhr Economic Papers} }","short":"C. Bünnings, V. Schiele, Spring Forward, Don’t Fall Back: The Effect of Daylight Saving Time on Road Safety, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2018.","mla":"Bünnings, Christian, and Valentin Schiele. <i>Spring Forward, Don’t Fall Back: The Effect of Daylight Saving Time on Road Safety</i>. RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2018.","apa":"Bünnings, C., &#38; Schiele, V. (2018). <i>Spring forward, don’t fall back: The effect of daylight saving time on road safety</i> (Vol. 768). RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen."},"year":"2018","volume":768,"author":[{"first_name":"Christian","last_name":"Bünnings","full_name":"Bünnings, Christian"},{"full_name":"Schiele, Valentin","id":"53779","last_name":"Schiele","first_name":"Valentin"}],"date_created":"2023-08-16T10:52:26Z","date_updated":"2023-08-20T17:58:18Z","publisher":"RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen","title":"Spring forward, don’t fall back: The effect of daylight saving time on road safety","type":"working_paper","status":"public","department":[{"_id":"281"}],"series_title":" Ruhr Economic Papers","user_id":"53779","_id":"46544","language":[{"iso":"eng"}],"keyword":["road accidents","light conditions","daylight saving time"]},{"publication":"Journal of Materials Chemistry C","type":"journal_article","status":"public","abstract":[{"text":"The preparation of hierarchical and sophisticated particle architectures for mimicking structural colors known from nature still remains a challenge. In this study, the preparation of novel opal and double-inverse opal films based on thermally treated metallopolymer core particles with a silica shell is described. Thermal treatment leads to the formation of magnetic nanorattle-type particles. The main challenge of artificial particles is to ensure sufficient dispersibility after several synthetic steps. Especially silica particles providing surface hydroxyl groups tend to sinter at high temperatures leading to agglomeration. We present the introduction of trimethyl ethoxy silane (TMES) as an excellent functionalization reagent as the key reaction step. The necessity and success of functionalization are investigated by transmission electron microscopy (TEM) and zeta potential measurements. Importantly, solid state NMR techniques are employed to gain deeper insights into the chemical structure of the surface-attached reagent. Finally, by this convenient functionalization the preparation of elastomeric opal films and double-inverse opal films is proven successful revealing excellent optical film properties. Moreover, magnetic properties of these novel films are investigated by using magnetic force microscopy (MFM). The herein established route is expected to pave the way for the preparation of a variety of advanced and stimuli-responsive optical materials.","lang":"eng"}],"user_id":"100715","_id":"64039","extern":"1","language":[{"iso":"eng"}],"keyword":["Materials Science","silica","Physics","nmr","colloidal photonic crystals","light","polymerization","solids","structural color","thermo"],"issue":"11","publication_identifier":{"issn":["2050-7526"]},"page":"2187–2196","intvolume":"         4","citation":{"ieee":"D. Scheid, D. Stock, T. Winter, T. Gutmann, C. Dietz, and M. Gallei, “The pivotal step of nanoparticle functionalization for the preparation of functional and magnetic hybrid opal films,” <i>Journal of Materials Chemistry C</i>, vol. 4, no. 11, pp. 2187–2196, 2016, doi: <a href=\"https://doi.org/10.1039/c5tc04388c\">10.1039/c5tc04388c</a>.","chicago":"Scheid, D., D. Stock, T. Winter, Torsten Gutmann, C. Dietz, and M. Gallei. “The Pivotal Step of Nanoparticle Functionalization for the Preparation of Functional and Magnetic Hybrid Opal Films.” <i>Journal of Materials Chemistry C</i> 4, no. 11 (2016): 2187–2196. <a href=\"https://doi.org/10.1039/c5tc04388c\">https://doi.org/10.1039/c5tc04388c</a>.","ama":"Scheid D, Stock D, Winter T, Gutmann T, Dietz C, Gallei M. The pivotal step of nanoparticle functionalization for the preparation of functional and magnetic hybrid opal films. <i>Journal of Materials Chemistry C</i>. 2016;4(11):2187–2196. doi:<a href=\"https://doi.org/10.1039/c5tc04388c\">10.1039/c5tc04388c</a>","apa":"Scheid, D., Stock, D., Winter, T., Gutmann, T., Dietz, C., &#38; Gallei, M. (2016). The pivotal step of nanoparticle functionalization for the preparation of functional and magnetic hybrid opal films. <i>Journal of Materials Chemistry C</i>, <i>4</i>(11), 2187–2196. <a href=\"https://doi.org/10.1039/c5tc04388c\">https://doi.org/10.1039/c5tc04388c</a>","bibtex":"@article{Scheid_Stock_Winter_Gutmann_Dietz_Gallei_2016, title={The pivotal step of nanoparticle functionalization for the preparation of functional and magnetic hybrid opal films}, volume={4}, DOI={<a href=\"https://doi.org/10.1039/c5tc04388c\">10.1039/c5tc04388c</a>}, number={11}, journal={Journal of Materials Chemistry C}, author={Scheid, D. and Stock, D. and Winter, T. and Gutmann, Torsten and Dietz, C. and Gallei, M.}, year={2016}, pages={2187–2196} }","mla":"Scheid, D., et al. “The Pivotal Step of Nanoparticle Functionalization for the Preparation of Functional and Magnetic Hybrid Opal Films.” <i>Journal of Materials Chemistry C</i>, vol. 4, no. 11, 2016, pp. 2187–2196, doi:<a href=\"https://doi.org/10.1039/c5tc04388c\">10.1039/c5tc04388c</a>.","short":"D. Scheid, D. Stock, T. Winter, T. Gutmann, C. Dietz, M. Gallei, Journal of Materials Chemistry C 4 (2016) 2187–2196."},"year":"2016","volume":4,"date_created":"2026-02-07T16:09:09Z","author":[{"full_name":"Scheid, D.","last_name":"Scheid","first_name":"D."},{"last_name":"Stock","full_name":"Stock, D.","first_name":"D."},{"first_name":"T.","last_name":"Winter","full_name":"Winter, T."},{"first_name":"Torsten","full_name":"Gutmann, Torsten","id":"118165","last_name":"Gutmann"},{"first_name":"C.","full_name":"Dietz, C.","last_name":"Dietz"},{"last_name":"Gallei","full_name":"Gallei, M.","first_name":"M."}],"date_updated":"2026-02-17T16:13:25Z","doi":"10.1039/c5tc04388c","title":"The pivotal step of nanoparticle functionalization for the preparation of functional and magnetic hybrid opal films"},{"department":[{"_id":"78"}],"user_id":"3118","_id":"10646","language":[{"iso":"eng"}],"keyword":["reconfigurable architectures","resource allocation","device reconfiguration time","dynamic hardware reconfiguration","dynamically reconfigurable hardware","light-weight runtime system","merge server distribute load","periodic real-time tasks","runtime system overheads","schedulability analysis","scheduling technique","server-based execution","synthesis tool flow"],"publication":"IET Computers Digital Techniques","type":"journal_article","status":"public","volume":1,"date_created":"2019-07-10T11:10:54Z","author":[{"last_name":"Danne","full_name":"Danne, Klaus","first_name":"Klaus"},{"first_name":"Roland","full_name":"Mühlenbernd, Roland","last_name":"Mühlenbernd"},{"first_name":"Marco","id":"398","full_name":"Platzner, Marco","last_name":"Platzner"}],"date_updated":"2022-01-06T06:50:49Z","doi":"10.1049/iet-cdt:20060186","title":"Server-based execution of periodic tasks on dynamically reconfigurable hardware","issue":"4","publication_identifier":{"issn":["1751-8601"]},"intvolume":"         1","page":"295-302","citation":{"chicago":"Danne, Klaus, Roland Mühlenbernd, and Marco Platzner. “Server-Based Execution of Periodic Tasks on Dynamically Reconfigurable Hardware.” <i>IET Computers Digital Techniques</i> 1, no. 4 (2007): 295–302. <a href=\"https://doi.org/10.1049/iet-cdt:20060186\">https://doi.org/10.1049/iet-cdt:20060186</a>.","ieee":"K. Danne, R. Mühlenbernd, and M. Platzner, “Server-based execution of periodic tasks on dynamically reconfigurable hardware,” <i>IET Computers Digital Techniques</i>, vol. 1, no. 4, pp. 295–302, 2007.","ama":"Danne K, Mühlenbernd R, Platzner M. Server-based execution of periodic tasks on dynamically reconfigurable hardware. <i>IET Computers Digital Techniques</i>. 2007;1(4):295-302. doi:<a href=\"https://doi.org/10.1049/iet-cdt:20060186\">10.1049/iet-cdt:20060186</a>","apa":"Danne, K., Mühlenbernd, R., &#38; Platzner, M. (2007). Server-based execution of periodic tasks on dynamically reconfigurable hardware. <i>IET Computers Digital Techniques</i>, <i>1</i>(4), 295–302. <a href=\"https://doi.org/10.1049/iet-cdt:20060186\">https://doi.org/10.1049/iet-cdt:20060186</a>","mla":"Danne, Klaus, et al. “Server-Based Execution of Periodic Tasks on Dynamically Reconfigurable Hardware.” <i>IET Computers Digital Techniques</i>, vol. 1, no. 4, 2007, pp. 295–302, doi:<a href=\"https://doi.org/10.1049/iet-cdt:20060186\">10.1049/iet-cdt:20060186</a>.","short":"K. Danne, R. Mühlenbernd, M. Platzner, IET Computers Digital Techniques 1 (2007) 295–302.","bibtex":"@article{Danne_Mühlenbernd_Platzner_2007, title={Server-based execution of periodic tasks on dynamically reconfigurable hardware}, volume={1}, DOI={<a href=\"https://doi.org/10.1049/iet-cdt:20060186\">10.1049/iet-cdt:20060186</a>}, number={4}, journal={IET Computers Digital Techniques}, author={Danne, Klaus and Mühlenbernd, Roland and Platzner, Marco}, year={2007}, pages={295–302} }"},"year":"2007"},{"citation":{"ama":"Haucap J, Heimeshoff U, Uhde A. Credible Threats as an Instrument of Regulation for Network Industries. In: Welfens P, ed. <i>REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY</i>. Berlin; 2006:171-202.","chicago":"Haucap, Justus, Ulrich Heimeshoff, and André Uhde. “Credible Threats as an Instrument of Regulation for Network Industries.” In <i>REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY</i>, edited by P. Welfens, 171–202. Berlin, 2006.","ieee":"J. Haucap, U. Heimeshoff, and A. Uhde, “Credible Threats as an Instrument of Regulation for Network Industries,” in <i>REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY</i>, P. Welfens, Ed. Berlin, 2006, pp. 171–202.","mla":"Haucap, Justus, et al. “Credible Threats as an Instrument of Regulation for Network Industries.” <i>REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY</i>, edited by P. Welfens, 2006, pp. 171–202.","short":"J. Haucap, U. Heimeshoff, A. Uhde, in: P. Welfens (Ed.), REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY, Berlin, 2006, pp. 171–202.","bibtex":"@inbook{Haucap_Heimeshoff_Uhde_2006, place={Berlin}, title={Credible Threats as an Instrument of Regulation for Network Industries}, booktitle={REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY}, author={Haucap, Justus and Heimeshoff, Ulrich and Uhde, André}, editor={Welfens, P.Editor}, year={2006}, pages={171–202} }","apa":"Haucap, J., Heimeshoff, U., &#38; Uhde, A. (2006). Credible Threats as an Instrument of Regulation for Network Industries. In P. Welfens (Ed.), <i>REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY</i> (pp. 171–202). Berlin."},"jel":["L96","L94","L50","K23"],"page":"171-202","place":"Berlin","year":"2006","publication_status":"published","title":"Credible Threats as an Instrument of Regulation for Network Industries","author":[{"first_name":"Justus","full_name":"Haucap, Justus","last_name":"Haucap"},{"first_name":"Ulrich","full_name":"Heimeshoff, Ulrich","last_name":"Heimeshoff"},{"last_name":"Uhde","orcid":"https://orcid.org/0000-0002-8058-8857","full_name":"Uhde, André","id":"36049","first_name":"André"}],"date_created":"2018-10-31T14:18:42Z","date_updated":"2022-01-06T07:01:47Z","status":"public","editor":[{"first_name":"P.","last_name":"Welfens","full_name":"Welfens, P."}],"abstract":[{"text":"In order to avoid over-regulation, some countries have experimented with what might be called threat-based regulation. The idea is - similarly to the contestable market model - that actual regulation may not be necessary as long as the threat of regulation is credible. In that case, so the idea, even monopolies will abstain from setting monopolistic prices in order to avoid being regulated. As experience from Germany and New Zealand has demonstrated, there are quite a number of problems associated with threat-based regulatory systems. The most significant problem has turned out to be the likely under-regulation and according welfare losses from market power, and in this context, a critical issue that has been identified is the credibility of the regulatory threat. If the threat of regulation is not credible, a light-handed regulatory regime (LHRR) amounts to leaving monopolistic firms unregulated, clearly an undesirable situation from a welfare point of view. This failure of threat-based regulatory systems results from potential free-rider problems associated with good corporate behaviour (as in the case of Germany's electricity market) as well as the lack of credibility of the threat either because of the weakness of the enforcement authorities or due to political constraints. Furthermore, a problem emerges if exercising the threat of regulation implies an abandonment of the LHRR and a corresponding substitution with heavy-handed ex ante regulation. An innovative way out of this dilemma has been the quasi-automatic threshold system originally designed for New Zealand's electricity distribution networks, which aims at simulating the pressures that companies would face in competitive markets. ","lang":"eng"}],"type":"book_chapter","publication":"REGULATORY CHANGES, INNOVATIONS AND INVESTMENT DYNAMICS IN THE DIGITAL WORLD ECONOMY","language":[{"iso":"eng"}],"extern":"1","keyword":["light-handed regulation","network industries","electricity","telecommunications"],"user_id":"21810","department":[{"_id":"186"},{"_id":"188"}],"_id":"5218"},{"doi":"10.1109/ULTSYM.2002.1193485","title":"Piezoelectric transformers - state of the art and development trends","volume":1,"author":[{"last_name":"Hemsel","full_name":"Hemsel, Tobias","id":"210","first_name":"Tobias"},{"first_name":"Walter","full_name":"Littmann, Walter","last_name":"Littmann"},{"full_name":"Wallaschek, Jörg","last_name":"Wallaschek","first_name":"Jörg"}],"date_created":"2019-04-15T10:18:15Z","date_updated":"2022-01-06T07:04:05Z","intvolume":"         1","page":"645-648","citation":{"chicago":"Hemsel, Tobias, Walter Littmann, and Jörg Wallaschek. “Piezoelectric Transformers - State of the Art and Development Trends.” In <i>Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE</i>, 1:645–48, 2002. <a href=\"https://doi.org/10.1109/ULTSYM.2002.1193485\">https://doi.org/10.1109/ULTSYM.2002.1193485</a>.","ieee":"T. Hemsel, W. Littmann, and J. Wallaschek, “Piezoelectric transformers - state of the art and development trends,” in <i>Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE</i>, 2002, vol. 1, no. vol.1, pp. 645–648.","ama":"Hemsel T, Littmann W, Wallaschek J. Piezoelectric transformers - state of the art and development trends. In: <i>Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE</i>. Vol 1. ; 2002:645-648. doi:<a href=\"https://doi.org/10.1109/ULTSYM.2002.1193485\">10.1109/ULTSYM.2002.1193485</a>","apa":"Hemsel, T., Littmann, W., &#38; Wallaschek, J. (2002). Piezoelectric transformers - state of the art and development trends. In <i>Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE</i> (Vol. 1, pp. 645–648). <a href=\"https://doi.org/10.1109/ULTSYM.2002.1193485\">https://doi.org/10.1109/ULTSYM.2002.1193485</a>","short":"T. Hemsel, W. Littmann, J. Wallaschek, in: Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE, 2002, pp. 645–648.","bibtex":"@inproceedings{Hemsel_Littmann_Wallaschek_2002, title={Piezoelectric transformers - state of the art and development trends}, volume={1}, DOI={<a href=\"https://doi.org/10.1109/ULTSYM.2002.1193485\">10.1109/ULTSYM.2002.1193485</a>}, number={vol.1}, booktitle={Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE}, author={Hemsel, Tobias and Littmann, Walter and Wallaschek, Jörg}, year={2002}, pages={645–648} }","mla":"Hemsel, Tobias, et al. “Piezoelectric Transformers - State of the Art and Development Trends.” <i>Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE</i>, vol. 1, no. vol.1, 2002, pp. 645–48, doi:<a href=\"https://doi.org/10.1109/ULTSYM.2002.1193485\">10.1109/ULTSYM.2002.1193485</a>."},"year":"2002","issue":"vol.1","publication_identifier":{"issn":["1051-0117"]},"language":[{"iso":"eng"}],"keyword":["piezoelectric devices","reviews","transformers","backlighting systems","flatness","high efficiency piezoelectric transformers","high step-up","light-weight","low volume","operating principle","piezoelectric transformers","Circuits","Costs","Electromagnetic devices","Electromagnetic fields","Mechanical energy","Piezoelectric materials","Power electronics","Switching frequency","Transformers","Vibrations"],"department":[{"_id":"151"}],"user_id":"55222","_id":"8926","status":"public","abstract":[{"text":"Piezoelectric transformers are well known since the publication of some patent applications at the end of the 1950s. But until today their only business use lies in the field of backlighting systems for LCDs. Due to key features as light-weight, flatness, high step-up at low volume and high efficiency piezoelectric transformers should be usable in a much broader range of applications. This contribution returns to mind their operating principle, shows how to model and to develop such devices as well as give some aspects for development trends that will lead to further applications.","lang":"eng"}],"publication":"Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE","type":"conference"}]