{"id":50225,"date":"2025-10-30T10:07:16","date_gmt":"2025-10-30T09:07:16","guid":{"rendered":"https:\/\/www.h-its.org\/de\/?post_type=hits-people&#038;p=50225"},"modified":"2026-02-23T16:57:39","modified_gmt":"2026-02-23T15:57:39","slug":"dr-kai-polsterer-2","status":"publish","type":"hits-people","link":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/","title":{"rendered":"Dr. Kai Polsterer"},"content":{"rendered":"\n  <div class=\"hits-blocks hits-publications-block\">\n\n      <div class=\"publications-list\">\n        <\/ul><h2 id=\"publication-year-2025\">2025<\/h2><ul class=\"publications-list\"><li>Doser B, Polsterer KL, Fehlner A, Trujillo-Gomez S (2025). <a href=\"https:\/\/doi.org\/10.48550\/arxiv.2505.04676\"><span class=\"publication-title\">Machine Learning Workflow for Morphological Classification of Galaxies<\/span><\/a>, arXiv. https:\/\/arxiv.org\/abs\/2505.04676. <span style=\"color:#ddd; font-size:12px\">2148<\/span><\/li><\/ul><h2 id=\"publication-year-2024\">2024<\/h2><ul class=\"publications-list\"><li>Taffoni G, Mignone A, Tornatore L, Sciacca E, Guarrasi M, Lapenta G, Riha L, Vavrik R, Vysocky O, Kadlubiak K, Strakos P, Jaros M, Dolag K, Commercon B, Rezzolla L, Pierre K, Doulis G, Shen S, Marazakis M, Gregori D, Boella E, Perna G, Zanotti M, Raffin E, Polsterer K, Gomez ST, Marin G (2024). <a href=\"https:\/\/doi.org\/10.1117\/12.3020361\"><span class=\"publication-title\">Redesign of astrophysical codes for exascale computing: the SPACE experience<\/span><\/a>, Software and Cyberinfrastructure for Astronomy VIII,p.32,SPIE <span style=\"color:#ddd; font-size:12px\">2009<\/span><\/li><li>Polsterer K, Doser B, Fehlner A, Trujillo-Gomez S (2024). <span class=\"publication-title\">Spherinator and HiPSter: Representation Learning for Unbiased Knowledge Discovery from Simulations<\/span> <span style=\"color:#ddd; font-size:12px\">2010<\/span><\/li><li>Vantyghem A, Galvin T, Sebastian B, O\u2019Dea C, Gordon Y, Boyce M, Rudnick L, Polsterer K, Andernach H, Dionyssiou M, Venkataraman P, Norris R, Baum S, Wang X, Huynh M (2024). <a href=\"https:\/\/doi.org\/10.1016\/j.ascom.2024.100824\"><span class=\"publication-title\">Rotation and flipping invariant self-organizing maps with astronomical images: A cookbook and application to the VLA Sky Survey QuickLook images<\/span><\/a>, Astronomy and Computing 47:100824 <span style=\"color:#ddd; font-size:12px\">2018<\/span><\/li><li>Podsztavek O, Jordan AI, Tvrd\u00edk P, Polsterer K (2024). <a href=\"https:\/\/doi.org\/10.14428\/esann\/2024.ES2024-15\"><span class=\"publication-title\">Automatic miscalibration diagnosis: Interpreting probability integral transform (PIT) histograms<\/span><\/a>, ESANN 2024 proceedings,137\u2013142 <span style=\"color:#ddd; font-size:12px\">2038<\/span><\/li><\/ul><h2 id=\"publication-year-2023\">2023<\/h2><ul class=\"publications-list\"><li>Nunez FP, Gianniotis N, Polsterer K (2023). <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202345932\"><span class=\"publication-title\">A Gaussian process cross-correlation approach to time-delay estimation in active galactic nuclei<\/span><\/a>, A&#038;A <span style=\"color:#ddd; font-size:12px\">1657<\/span><\/li><li>Djorgovski S, Mahabal A, Graham M, Polsterer K, Krone-Martins A (2023). <a href=\"https:\/\/doi.org\/10.1142\/13123\"><span class=\"publication-title\">Applications of AI in Astronomy<\/span><\/a> <span style=\"color:#ddd; font-size:12px\">1622<\/span><\/li><li>Nu\u00f1ez FP, Bruckmann C, Desamutara S, Czerny B, Panda S, Lobban AP, Pietrzy\u0144ski G, Polsterer KL (2023). <a href=\"https:\/\/doi.org\/10.1093\/mnras\/stad286\"><span class=\"publication-title\">Modeling photometric reverberation mapping data for the next generation of big data surveys. Quasar accretion disks sizes with the LSST<\/span><\/a>, Monthly Notices of the Royal Astronomical Society,stad286 <span style=\"color:#ddd; font-size:12px\">1630<\/span><\/li><\/ul><h2 id=\"publication-year-2022\">2022<\/h2><ul class=\"publications-list\"><li>Boch T, Allen M, Bot C, Fernique P, Baumann M, Buga M, Bonnarel F, Durand D, Polsterer K (2022). <span class=\"publication-title\">Innovative Tools Fostered by the HiPS Ecosystem<\/span> <span style=\"color:#ddd; font-size:12px\">1623<\/span><\/li><li>Plier J, Zisler M, Furkel J, Knoll M, Marx A, Fischer A, Polsterer K, Konstandin MH, Petra S (2022). <a href=\"https:\/\/doi.org\/10.1007\/978-3-658-36932-3_37\"><span class=\"publication-title\">Learning Features via Transformer Networks for Cardiomyocyte Profiling<\/span><\/a>, Bildverarbeitung f\u00fcr die Medizin 2022,pp.167-172,Springer Fachmedien Wiesbaden <span style=\"color:#ddd; font-size:12px\">1481<\/span><\/li><\/ul><h2 id=\"publication-year-2021\">2021<\/h2><ul class=\"publications-list\"><li>Gianniotis N, Nu\u00f1ez FP, Polsterer KL (2021). <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202141710\"><span class=\"publication-title\">Disentangling the optical AGN and host-galaxy luminosity with a probabilistic flux variation gradient<\/span><\/a>, A&#038;A <span style=\"color:#ddd; font-size:12px\">1303<\/span><\/li><li>Mostert RIJ, Duncan KJ, R\u00f6ttgering HJA, Polsterer KL, Best PN, Brienza M, Br\u00fcggen M, Hardcastle MJ, Jurlin N, Mingo B, Morganti R, Shimwell T, Smith D, Williams WL (2021). <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202038500\"><span class=\"publication-title\">Unveiling the rarest morphologies of the LOFAR Two-metre Sky Survey radio source population with self-organised maps<\/span><\/a>, A&#038;A 645:A89 <span style=\"color:#ddd; font-size:12px\">1225<\/span><\/li><\/ul><h2 id=\"publication-year-2020\">2020<\/h2><ul class=\"publications-list\"><li>Polsterer KL (2020). <span class=\"publication-title\">Birds of a Feather Session on Machine Learning in Astronomy<\/span> <span style=\"color:#ddd; font-size:12px\">1227<\/span><\/li><li>Galvin TJ, Huynh MT, Norris RP, Wang XR, Hopkins E, Polsterer K, Ralph NO, O\u2019Brien AN, Heald GH (2020). <a href=\"https:\/\/doi.org\/10.1093\/mnras\/staa1890\"><span class=\"publication-title\">Cataloguing the radio-sky with unsupervised machine learning: a new approach for the SKA era<\/span><\/a>, Monthly Notices of the Royal Astronomical Society 497(3):2730-2758 <span style=\"color:#ddd; font-size:12px\">1164<\/span><\/li><\/ul><h2 id=\"publication-year-2019\">2019<\/h2><ul class=\"publications-list\"><li>Nu\u00f1ez FP, Gianniotis N, Blex J, Lisow T, Chini R, Polsterer KL, Pott J, Esser J, Pietrzy\u0144ski G (2019). <a href=\"https:\/\/doi.org\/10.1093\/mnras\/stz2830\"><span class=\"publication-title\">Optical continuum photometric reverberation mapping of the Seyfert-1 galaxy Mrk509<\/span><\/a>, Monthly Notices of the Royal Astronomical Society 490(3):3936-3951 <span style=\"color:#ddd; font-size:12px\">474<\/span><\/li><li>Galvin TJ, Huynh M, Norris RP, Wang XR, Hopkins E, Wong OI, Shabala S, Rudnick L, Alger MJ, Polsterer KL (2019). <a href=\"https:\/\/doi.org\/10.1088\/1538-3873\/ab150b\"><span class=\"publication-title\">Radio Galaxy Zoo: Knowledge Transfer Using Rotationally Invariant Self-organizing Maps<\/span><\/a>, PASP 131(1004):108009 <span style=\"color:#ddd; font-size:12px\">1035<\/span><\/li><\/ul><h2 id=\"publication-year-2018\">2018<\/h2><ul class=\"publications-list\"><li>D\u2019Isanto A, Polsterer KL (2018). <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/201731326\"><span class=\"publication-title\">Photometric redshift estimation via deep learning. Generalized and pre-classification-less, image based, fully probabilistic redshifts<\/span><\/a>, A&#038;A 609:A111 <span style=\"color:#ddd; font-size:12px\">205<\/span><\/li><li>D\u2019Isanto A, Cavuoti S, Gieseke F, Polsterer KL (2018). <span class=\"publication-title\">Return of the features &#8211; Efficient feature selection and interpretation for photometric redshifts<\/span>, Astronomy &#038; Astrophysics, 616:A97 <span style=\"color:#ddd; font-size:12px\">315<\/span><\/li><\/ul><h2 id=\"publication-year-2017\">2017<\/h2><ul class=\"publications-list\"><li>Gieseke F, Polsterer KL, Mahabal A, Igel C, Heskes T (2017). <a href=\"https:\/\/doi.org\/10.1109\/SSCI.2017.8285225\"><span class=\"publication-title\">Massively-parallel best subset selection for ordinary least-squares regression<\/span><\/a>, 2017 IEEE Symposium Series on Computational Intelligence (SSCI),pp.1-8,IEEE <span style=\"color:#ddd; font-size:12px\">207<\/span><\/li><li>Polsterer K (2017). <span class=\"publication-title\">Astroinformatics; a new discipline or business as usual?<\/span>, In Astronomical Data Analysis Software an Systems XXVII (ADASS XXVII), vol. 496 of Astronomical Society of the Pacific Conference Series, Eds: Taylor, A.\u00a0R. and Rosolowsky, E., Sep 2017 <span style=\"color:#ddd; font-size:12px\">209<\/span><\/li><li>D\u2019Isanto A, Polsterer KL (2017). <a href=\"https:\/\/www.elen.ucl.ac.be\/Proceedings\/esann\/esannpdf\/es2017-56.pdf\"><span class=\"publication-title\">Uncertain photometric redshifts via combining deep convolutional and mixture density networks<\/span><\/a>, In 25th European Symposium on Artificial Neural Networks, ESANN 2015, Bruges, Belgium, April 26-28, 2017 <span style=\"color:#ddd; font-size:12px\">1133<\/span><\/li><\/ul><h2 id=\"publication-year-2016\">2016<\/h2><ul class=\"publications-list\"><li>Polsterer K (2016). <span class=\"publication-title\">Dealing with Uncertain Multimodal Photometric Redshift Estimations<\/span>, Proc. IAU 12(S325):156-165. 2016 <span style=\"color:#ddd; font-size:12px\">106<\/span><\/li><li>Polsterer KL (2016). <a href=\"https:\/\/doi.org\/10.1017\/S1743921316013089\"><span class=\"publication-title\">Dealing with Uncertain Multimodal Photometric Redshift Estimations.<\/span><\/a>, Proc. IAU 12(S325):156-165 <span style=\"color:#ddd; font-size:12px\">208<\/span><\/li><li>Crawford E, Norris R, Polsterer K (2016). <span class=\"publication-title\">WTF? Discovering the Unexpected in next-generation radio continuum surveys<\/span>, In Astronomical Data Analysis Software an Systems XXV (ADASS XXV), vol. 496 of Astronomical Society of the Pacific Conference Series, Eds: Taylor, A.\u00a0R. and Rosolowsky, E., Sep 2016 <span style=\"color:#ddd; font-size:12px\">105<\/span><\/li><li>Polsterer K, Gieseke F (2016). <span class=\"publication-title\">Probability Density Functions for Astronomy<\/span>, In Astronomical Data Analysis Software an Systems XXV (ADASS XXV), vol. 496 of Astronomical Society of the Pacific Conference Series, Eds: Taylor, A.\u00a0R. and Rosolowsky, E., Sep 2016 <span style=\"color:#ddd; font-size:12px\">108<\/span><\/li><li>K\u00fcgler S, Gianniotis N, Polsterer K (2016). <span class=\"publication-title\">An explorative approach for inspecting Kepler data<\/span>, Monthly Notices of the Royal Astronomical Society, 455(4):4399\u20134405 <span style=\"color:#ddd; font-size:12px\">102<\/span><\/li><li>Polsterer K, Gieseke F, Igel C, Doser B, Gianniotis N (2016). <span class=\"publication-title\">Parallelized rotation and flipping INvariant Kohonen maps (PINK) on GPUs<\/span>, In European Symposium on Artificial Neural Networks (ESANN), pp. 405\u2013410 <span style=\"color:#ddd; font-size:12px\">103<\/span><\/li><\/ul><h2 id=\"publication-year-2015\">2015<\/h2><ul class=\"publications-list\"><li>Hoecker M, Polsterer KL, Kugler SD, Heuveline V (2015). <a href=\"https:\/\/doi.org\/10.1109\/CSE.2015.35\"><span class=\"publication-title\">Clustering of Complex Data-Sets Using Fractal Similarity Measures and Uncertainties<\/span><\/a>, 2015 IEEE 18th International Conference on Computational Science and Engineering,pp.82-91,IEEE <span style=\"color:#ddd; font-size:12px\">36<\/span><\/li><li>L\u00f3pez-S\u00e1nchez AR, Maksym WP, Polsterer KL, Borden K, Hollow RP, Whyte L (2015). <a href=\"https:\/\/doi.org\/10.1093\/mnras\/stv1688\"><span class=\"publication-title\">Radio Galaxy Zoo: host galaxies and radio morphologies derived from visual inspection<\/span><\/a>, Mon. Not. R. Astron. Soc. 453(3):2327-2341 <span style=\"color:#ddd; font-size:12px\">35<\/span><\/li><li>Polsterer KL, Gieseke F, Igel C (2015). <span class=\"publication-title\">Automatic Galaxy Classification via Machine Learning Techniques: Parallelized Rotation\/Flipping INvariant Kohonen Maps (PINK)<\/span>, In Astronomical Data Analysis Software an Systems XXIV (ADASS XXIV), vol. 495 of Astronomical Society of the Pacific Conference Series, p. 81, Eds: Taylor, A. R. and Rosolowsky, E., Sep 2015 <span style=\"color:#ddd; font-size:12px\">34<\/span><\/li><li>Polsterer KL, Gieseke F, Gianniotis N, Kuegler SD (2015). <span class=\"publication-title\">Analyzing Complex and Structured Data via Unsupervised Learning Techniques<\/span>, IAU General Assembly, 22:2258115, Aug 2015 <span style=\"color:#ddd; font-size:12px\">32<\/span><\/li><li>K\u00fcgler SD, Gianniotis N, Polsterer KL (2015). <a href=\"https:\/\/doi.org\/10.1093\/mnras\/stv1181\"><span class=\"publication-title\">Featureless classification of light curves<\/span><\/a>, Mon. Not. R. Astron. Soc. 451(4):3385-3392 <span style=\"color:#ddd; font-size:12px\">33<\/span><\/li><li>Gianniotis N, K\u00fcgler SD, Tino P, Polsterer KL, Misra R (2015). <span class=\"publication-title\">Autoencoding Time Series for Visualisation<\/span>, In European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning, pp. 495-500, May 2015 <span style=\"color:#ddd; font-size:12px\">31<\/span><\/li><li>K\u00fcgler SD, Polsterer K, Hoecker M (2015). <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/201424801\"><span class=\"publication-title\">Determining spectroscopic redshifts by using k nearest neighbor regression. I. Description of method and analysis<\/span><\/a>, A&#038;A 576:A132 <span style=\"color:#ddd; font-size:12px\">30<\/span><\/li><li>Hoecker M, Polsterer KL, Kugler SD, Heuveline V (2015). <span class=\"publication-title\">Clustering of Complex Data-Sets Using Fractal Similarity Measures and Uncertainties<\/span>, In Computational Science and Engineering (CSE), 2015 IEEE 18th International Conference on, pp. 82-91 <span style=\"color:#ddd; font-size:12px\">62<\/span><\/li><\/ul><h2 id=\"publication-year-2014\">2014<\/h2><ul class=\"publications-list\"><li>Polsterer KL, Gieseke F, Igel C, Goto T (2014). <span class=\"publication-title\">Improving the performance of photometric regression models via massive parallel feature selection<\/span>, Astronomical Data Analysis Software and Systems XXIII, 485:425 <span style=\"color:#ddd; font-size:12px\">447<\/span><\/li><li>Gieseke F, Polsterer K, Oancea CE, Igel C (2014). <span class=\"publication-title\">Speedy Greedy Feature Selection: Better Redshift Estimation via Massive Parallelism<\/span>, European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning. Bruges (Belgium), 23-25 April 2014 <span style=\"color:#ddd; font-size:12px\">446<\/span><\/li><\/ul><h2 id=\"publication-year-2013\">2013<\/h2><ul class=\"publications-list\"><li>Heinermann J, Kramer O, Polsterer KL, Gieseke F (2013). <span class=\"publication-title\">On GPU-Based Nearest Neighbor Queries for Large-Scale Photometric Catalogs in Astronomy<\/span>, In KI 2013: Advances in Artificial Intelligence, pp. 86\u201397, Springer Berlin Heidelberg, Berlin, Heidelberg <span style=\"color:#ddd; font-size:12px\">448<\/span><\/li><\/ul><h2 id=\"publication-year-2012\">2012<\/h2><ul class=\"publications-list\"><li>Gieseke F, Polsterer K, Zinn P (2012). <span class=\"publication-title\">Photometric Redshift Estimation of Quasars: Local versus Global Regression<\/span>,  Astronomical Data Analysis Software and Systems XXI. Proceedings of a Conference held at Marriott Rive Gauche Conference Center, Paris, France, 6-10 November <span style=\"color:#ddd; font-size:12px\">470<\/span><\/li><\/ul><h2 id=\"publication-year-2011\">2011<\/h2><ul class=\"publications-list\"><li>Assef RJ, Denney KD, Kochanek CS, Peterson BM, Koz\u0142owski S, Ageorges N, Barrows RS, Buschkamp P, Dietrich M, Falco E, Feiz C, Gemperlein H, Germeroth A, Grier CJ, Hofmann R, Juette M, Khan R, Kilic M, Knierim V, Laun W, Lederer R, Lehmitz M, Lenzen R, Mall U, Madsen KK, Mandel H, Martini P, Mathur S, Mogren K, Mueller P, Naranjo V, Pasquali A, Polsterer K, Pogge RW, Quirrenbach A, Seifert W, Stern D, Shappee B, Storz C, Saders JV, Weiser P, Zhang D (2011). <a href=\"https:\/\/doi.org\/10.1088\/0004-637x\/742\/2\/93\"><span class=\"publication-title\">Black Hole Mass Estimates Based on C IV are Consistent with Those Based on the Balmer Lines<\/span><\/a>, ApJ 742(2):93 <span style=\"color:#ddd; font-size:12px\">453<\/span><\/li><li>Pasquali A, Bik A, Zibetti S, Ageorges N, Seifert W, Brandner W, Rix H, J\u00fctte M, Knierim V, Buschkamp P, Feiz C, Gemperlein H, Germeroth A, Hofmann R, Laun W, Lederer R, Lehmitz M, Lenzen R, Mall U, Mandel H, M\u00fcller P, Naranjo V, Polsterer K, Quirrenbach A, Sch\u00e4ffner L, Storz C, Weiser P (2011). <a href=\"https:\/\/doi.org\/10.1088\/0004-6256\/141\/4\/132\"><span class=\"publication-title\">Infrared Narrowband Tomography of the Local Starburst NGC 1569 with the Large Binocular Telescope\/LUCIFER.<\/span><\/a>, The Astronomical Journal 141(4):132 <span style=\"color:#ddd; font-size:12px\">454<\/span><\/li><\/ul><h2 id=\"publication-year-2004\">2004<\/h2><ul class=\"publications-list\"><li>Mandel H, Appenzeller I, Seifert W, Baumeister H, Bizenberger P, Dettmar R, Gemperlein H, Grimm B, Herbst TM, Hofmann R, Jutte M, Laun W, Lehmitz M, Ligori S, Lenzen R, Polsterer K, Rohloff R, Schuetze A, Seltmann A, Weiser P, Weisz H, Xu W (2004). <a href=\"https:\/\/doi.org\/10.1117\/12.551302\"><span class=\"publication-title\">LUCIFER status report, summer 2004<\/span><\/a>, Ground-based Instrumentation for Astronomy,p.1208,SPIE <span style=\"color:#ddd; font-size:12px\">458<\/span><\/li><\/ul><h2 id=\"publication-year-2002\">2002<\/h2><ul class=\"publications-list\"><li>Seifert W, Appenzeller I, Baumeister H, Bizenberger P, Bomans D, Dettmar R, Grimm B, Herbst T, Hofmann R, Juette M, Laun W, Lehmitz M, Lemke R, Lenzen R, Mandel H, Polsterer K, Rohloff R, Schuetze A, Seltmann A, Thatte NA, Weiser P, Xu W (2002). <a href=\"https:\/\/doi.org\/10.1117\/12.459494\"><span class=\"publication-title\">LUCIFER: a Multi-Mode NIR Instrument for the LBT<\/span><\/a>, Instrument Design and Performance for Optical\/Infrared Ground-based Telescopes,p.962,SPIE <span style=\"color:#ddd; font-size:12px\">457<\/span><\/li><\/ul>      <\/div>\n\n  <\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":107,"featured_media":50531,"template":"","hits-research-group":[1337],"hits-people-category":[1359],"class_list":["post-50225","hits-people","type-hits-people","status-publish","has-post-thumbnail","hentry","hits-research-group-its-de","hits-people-category-group-leader-de"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dr. Kai Polsterer - HITS gGmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr. Kai Polsterer - HITS gGmbH\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/\" \/>\n<meta property=\"og:site_name\" content=\"HITS gGmbH\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-23T15:57:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"2560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"1\u00a0Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/\",\"url\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/\",\"name\":\"Dr. Kai Polsterer - HITS gGmbH\",\"isPartOf\":{\"@id\":\"https:\/\/www.h-its.org\/de\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg\",\"datePublished\":\"2025-10-30T09:07:16+00:00\",\"dateModified\":\"2026-02-23T15:57:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage\",\"url\":\"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg\",\"contentUrl\":\"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg\",\"width\":1920,\"height\":2560},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.h-its.org\/de\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dr. Kai Polsterer\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.h-its.org\/de\/#website\",\"url\":\"https:\/\/www.h-its.org\/de\/\",\"name\":\"HITS gGmbH\",\"description\":\"Heidelberg Institute for Theoretical Studies\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.h-its.org\/de\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"de\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dr. Kai Polsterer - HITS gGmbH","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/","og_locale":"de_DE","og_type":"article","og_title":"Dr. Kai Polsterer - HITS gGmbH","og_url":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/","og_site_name":"HITS gGmbH","article_modified_time":"2026-02-23T15:57:39+00:00","og_image":[{"width":1920,"height":2560,"url":"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Gesch\u00e4tzte Lesezeit":"1\u00a0Minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/","url":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/","name":"Dr. Kai Polsterer - HITS gGmbH","isPartOf":{"@id":"https:\/\/www.h-its.org\/de\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage"},"image":{"@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage"},"thumbnailUrl":"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg","datePublished":"2025-10-30T09:07:16+00:00","dateModified":"2026-02-23T15:57:39+00:00","breadcrumb":{"@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#breadcrumb"},"inLanguage":"de","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/"]}]},{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#primaryimage","url":"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg","contentUrl":"https:\/\/www.h-its.org\/de\/wp-content\/uploads\/sites\/2\/2019\/02\/Kai_01-scaled.jpg","width":1920,"height":2560},{"@type":"BreadcrumbList","@id":"https:\/\/www.h-its.org\/de\/people\/dr-kai-polsterer-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.h-its.org\/de\/"},{"@type":"ListItem","position":2,"name":"Dr. Kai Polsterer"}]},{"@type":"WebSite","@id":"https:\/\/www.h-its.org\/de\/#website","url":"https:\/\/www.h-its.org\/de\/","name":"HITS gGmbH","description":"Heidelberg Institute for Theoretical Studies","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.h-its.org\/de\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"de"}]}},"publishpress_future_action":{"enabled":false,"date":"2026-04-20 12:54:25","action":"change-status","newStatus":"trash","terms":[],"taxonomy":"hits-research-group","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/hits-people\/50225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/hits-people"}],"about":[{"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/types\/hits-people"}],"author":[{"embeddable":true,"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/users\/107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/media\/50531"}],"wp:attachment":[{"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/media?parent=50225"}],"wp:term":[{"taxonomy":"hits-research-group","embeddable":true,"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/hits-research-group?post=50225"},{"taxonomy":"hits-people-category","embeddable":true,"href":"https:\/\/www.h-its.org\/de\/wp-json\/wp\/v2\/hits-people-category?post=50225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}