July 15-19, 2024 — Symplectic diffeology, in Workshop on Hamiltonian Geometry and Quantization Theory, Fields Institute, Toronto, Canada.  March 4-7, 2024 — Singular reduction in diffeolgy, in Building-up Differentiable Homotopy Theory, Osaka University.  Monday March 5-8, 2023 — Generalized Prequantum bundle, in Building-up Differentiable Homotopy Theory, Aizu University, Aizuwakamatsu, Japan.  Friday December 16th, 2022 — Développements récents en difféologie, Séminaire Interactions fondamentales, Centre de Physique Théorique Luminy, France.  Wednesday October 20th, 2021 — Every Symplectic Manifold is a (Linear) Coadjoint Orbit. Geometry and Dynamics Seminar, Tel-Aviv University.  Tuesday October 19th, 2021 — Orbifolds, Quasifolds as Diffeologies and C*-algebras Topology and Geometry Seminar, the Hebrew University of Jerusalem, Israel.  Thursday April 1st, 2021 — Orbifolds, Quasifolds as Diffeologies and C*-algebras. Global Diffeology Seminar  April 2, 2021 — An Overview of Symplectic Mechanics (Gebze Technical University)  October 8, 2020 Beginning “Shantou Lectures on Diffeology”, Shantou University, China. Zoom Meeting ID: 253 957 5403 Passcode: 161786.  September 17, 2020 “Example of Singular Reduction in Symplectic Diffeology” Zoom Meeting ID: 253 957 5403 Passcode: 161786, Shantou University, China.
Slides here...  March 3—6, 2020 A series of lectures on Diffeology, Shinshu University, Japan.  February 7, 2020 “Paths, Groupoids and Quantization”, Centre de Physique Théorique, Luminy-Marseille, France.  May 29, 2019 “Constructions in Diffeology”, Conference “Souriau 2019”, Paris, France.  April 19, 2019 “Refraction and Reflexion According to The Principle of General Covariance”, Centre de Physique Théorique, Marseille, France.  March 8, 2019 “Diffeology, a Stable and Complete Differential Geometry”, Kyushu University, Fukuoka, Japan.  March 4—7, 2019 A series of lectures: “Constructions in Diffeology” in Conference: Building-up Differentiable Homotopy Theory, Kyushu University, Fukuoka, Japan.  February 4, 2019 “Symplectic Diffeology” in Conference: Foundations of Geometric Structures of Information, Montpellier (France) Feb. 4-6, 2019.  December 6, 2018 “Formes Différentielles sur les Espaces Stratifiés” Séminaire de théorie des singularités Aix-Marseille Université.  June 18—29, 2018 “Lectures on Diffeology” Summer School Modern Mathematics Methods in Physics — Nesin Mathematics Village — Şirince, Izmir, Turkey.  June 3—9, 2018 Orbifolds and Noncommutative Algebras. Universita degli Studi di Firenze, Italy.  February 19, 2018 “La Difféologie: Une Géométrie Différentielle Inclusive”, Séminaire de Philosophie & Mathématiques, ENS Ulm, Paris.  January 24, 2018 “Questions de Difféologie”, Séminaire de Catégories, Logique, Etc. Université Paris Diderot.  December 11—22, 2017 Lectures on Differential Geometry and Diffeology. Istanbul, Galatasaray University.  May 19, 2017 “Constructions Difféologiques”, Séminaire de géométrie et physique mathématique, Paris Diderot.  December 16, 2016 “Structure Géométrique des Espaces de Géodésiques”, Centre de Physique Théorique, Marseille.  November 22 - December 2, 2016 “A course on Diffeology”, a 12 hours lectures at Galatasaray University, Istanbul, Turkey.  July 1st, 2016 “C*-Algebra and Diffeology: The Case of Orbifolds”, Istanbul, Galatasaray University.  June 30, 2016 “A Crash Course in Diffeology”, Istanbul, Galatasaray University.  June 29,30 and July 1st 2016 — Organisation of the Fourth Workshop on Diffeology, Galatasaray University, Istanbul, Turkey.  May 2nd, 2016 “ Orbifolds comme difféologies”, Séminaire AGT, CMI Marseille.  January 29, February 5-12-19, 2016 “La Géométrie des Mouvements”, Quatre Leçons sur les Groupes d’Inertie de la Mécanique ou la Mécanique comme Géométrie, Paris Diderot (7) University.  September 29, 2015 “Diffeologies”, Conference “New Spaces in Math & Physics”, Paris Diderot (7) University.  April 15th, 2015 “Symplectic Diffeology”, Groupe de travail en logique catégorique, Paris Diderot (7) University.  March 18th, 2015 “About Symplectic Diffeology”, Seminar Geometry & Dynamics, Tel-Aviv University.  November 27th, 2014 “Moment Maps in Diffeology”, Physics Department, Condorcet building, Paris Diderot.  November 26th, 2014 “Diffeology”, IHP, Séminaire d’Épistémologie, Paris Diderot.  November 20th, 2014 “Exemple de réduction singulière infini-dimensionnelle en difféologie”, Séminaire de Physique Mathématique, Paris Diderot.  July 17th, 2014 “Symplectic Diffeology and Moment Maps”, XIV International Symposium “Frontiers of Fundamental Physics”.  June 25th, 2014 — “The Programme of Symplectic Diffeology”, at the Workshop on Diffeology, Aix en Provence.  June 25, 26, 27th, 2014 — Organisation of the Workshop on Diffeology, Aix en Provence  January 20th, 2014 — “Moment Maps in Diffeology”, University of Firenze, Italy.  December 12-13, 2013 — “Two lectures on Symplectic Diffeology”, Paris 7 Diderot.  October 18, 2013 — “La géométrie des mouvements”, Séminaire “ Philosophie et physique”, Paris 7 Diderot.  June 13-14, 2013 — Workshop “Nouvelles géométries pour la physique”, IEP, Aix-en-Provence, FRUMAM. (Que peut on espérer de la généralisation de la géométrie symplectique en difféologie).  April 8, 2013 — “Sur la ‘symplification’ de la physique : un fragment de l’histoire de la géométrie symplectique”, Séminaire “Histoire des géométries”, Maison des Sciences de l'Homme de Paris.  December 21, 2012 — “Diffeology and Physics”, Centre de Physique Théorique, CNRS, Marseille.  December 6-7, 2012 — “An overview on Diffeology”, Workshop Diffeodays, Université Denis Diderot Paris 7.  June 28, 2012 — “Integration bundles of closed 2-forms”, Souriau’s 90, Aix-en-Provence.  June 25-29, 2012 — Organizer of the conference Souriau’s 90, Aix-en-Provence.  March 12-16, 2012 — “La difféologie aux interfaces”, Géométrie sans frontières, Institut des Systèmes Complexes.  November 30-December 2, 2011 — “Difféologie des espaces de mouvements”, Catégories et Physique 2011, Université Denis Diderot Paris 7.  April 27, 2011 — “Geometric representations of closed 2-forms”, Séminaire de Mathématique, IHES, France.  March 15, 22, 29 & April 5, 2011 — “Symplectic Mechanics, Symmetries and All That”, Séminaire de Physique Théorique, IHES, France.  February 27, 2011 — “Moment Maps in Diffeology”, River Chiang seminar, NCTS Tainan.  February 21-25 2011 — “Symplectic Diffeology”, Joint Workshop on Symplectic Geometry and Quantum Symmetries in Mathematical Physics, NCTS Taiwan (I made the poster BTW :)).  December 16, 2010 — “Sur la difféologie”, Mathématique inovantes, SupMeca, Paris.  December 13, 2010 — “Représentation géométrique des 2-formes fermées”, Séminaire de géométrie LATP, CMI Marseille.  November 24, 2010 — “Characteristic bundles of closed 2-forms, a universal construction”, Special Seminar, University of Toronto, Canada.  November 11, 2010 — “A guided tour of Diffeology”, Colloquium, University of Western Ontario, Canada.  June 24, 2010 — “Characteristic bundles of closed 2-forms, a universal construction”, Geometry Seminar, Technion of Haifa, Israel.  March 24 — 26, 2010 — “Dynamique et Géométie des Mouvements”, Conférence “La reconquête de la dynamique par la géométrie” à l’IHES, Paris, France.  March — June 2010 — “Differential Geometry for Neuroscientists and Physicists”, course at the Weizmann Institute of Science, Rechovot (רחובות), Israel.  January 15, 2010 — “Geometrical representations of closed forms”, Colloquium University of Georgia Southern, USA.  November 26, 2009 — “Every symplectic manifold is a coadjoint orbit”, Congrès international en l’honneur de Claude Roger pour son 60ème anniversaire, Institut Camille Jordan, Lyon, France.  October 8, 2009 — “Moments difféologiques”, Groupe de Travail Renormalisation-supersymetrie, Univ. Paris 7, France.  June 4-5, 2009 — “Fiber bundles in Diffeology”, Higher Structures in Topology and Geometry III, Mathematics Institute Göttingen, Germany.  March — June, 2009 — “Moment Maps”, Master Course, The Hebrew University of Jerusalem, Israel.  January 16, 2009 — “The Moment Maps in Diffeology”, Sophus Lie Seminar (37th Session), Paderborn, Germany. June 23, 2008 — “Moment Maps”, The Tel-Aviv University, Israel.  Mars 13, 2008 — “Moment Maps”, Colloquium, Einstein Institute, The Hebrew University of Jerusalem, Israel.  October 2007, February 2008 — “General Relativity”, Master Course, The Hebrew University of Jerusalem, Israel.  October 12, 2007 — “Examples of moment maps in diffeology”, Howard University, Washington DC, USA.  August 29, 2007 — “Every symplectic manifold is a coadjoint orbit”, Colloquium University of Georgia Southern, USA.  August 22th, 2007 — “Quotient structure of linear foliations on tori, the diffeological approach”. University of Illinois Chicago, USA.  August 20th, 2007 — “Every symplectic manifold is a coadjoint orbit”. Math Department, University of Toronto, Canada.  August 8th, 10th, 13th 15th, 2007 — “Diffeology at work”, Four lectures on diffeology. Math Department, University of Toronto, Canada.  June 22th, 2007 — “The moment maps, a universal construction”. Institut de Mathématiques de Luminy & Centre de Physique Théorique, Marseille, France.  April 25th, 2007 — “Every symplectic manifold is a coadjoint orbit”. Geometry seminar, Technion of Haifa, Israel.  April 13-15, 2007 — “Diffeology”. In Workshop in Topology, Giv’at Haviva, by The Technion of Haifa & The Hebrew University of Jerusalem, Israel.  December 18, 2006 — “Geometry and Physics” (part 2 of 2), Geometry and Topology Seminar, Einstein Institute, The Hebrew University of Jerusalem, Israel.  December 4, 2006 — “Geometry and Physics” (part 1 of 2), Geometry and Topology Seminar, Einstein Institute, The Hebrew University of Jerusalem, Israel.  October 2006, February 2007 — Direction of a Master Seminar, based on the book “Diffeology”, The Hebrew University of Jerusalem, Israel.  June 22, 2006 — “The diffeology of the infinite Hopf fibration”, Math Department, University of Toronto, Canada.  May 30, 2006 — “Buffon’s needle theorem and Symplectic Geometry”, Colloquium University of Georgia Southern, USA.  January 23, 2006 — “An overview about Diffeology”, Math department, The Hebrew University of Jerusalem, Israel.  September 3 — october 23, 2005 — “A introductory course on Diffeology”, Howard University, Washington DC, USA.  July 27, 2005 — “Questions and answer in Diffeology”, Math department of the University of Santiago de Compostella, Galicia, España.  July 11—16, 2005 — “Optic and matter caustics, a symplectic construction”, Workshop on caustics in astrophysics, CIRM Marseille, France.  February — June 2005 : “Differential calculus and Symplectic geometry”, The Hebrew University of Jerusalem, Campus Givat Ram, Israël.  June 28, 2005 — “Diffeology, the example of generalized tori”, Colloquium University of Georgia Southern, USA.  May 19, 2005 — “A review on Diffeology”, Israel Mathematical Union, 2005 IMU Meeting, Neve Ilan, 19 — 20 May 2005, Israel.  May 8 — 15, 2005 — “The infinite projective space as diffeology”, written communication, 7th Conference on Geometry and Topology of Manifolds, The Mathematical Legacy of Charles Ehresmann, Banach Institute, Bedlewo Poland.  March 21, 2005 — “Ratios of conformal symplectic transformations”, The Hebrew University of Jerusalem, Israël.  November 14, 2004 — “Moment map, a global view”, Bar Ilan University, Israël.  November 8, 2004 — “Mass and moments in Symplectic Geometry”, The Hebrew University of Jerusalem, Israël.  June 2004 — “Difféologie Symplectique”, Institut de Mathématiques de Jussieu, Paris, France.  Avril 2003 — “The origins of Symplectic Geometry”, Cornell University, USA.  March 2003 — “Moment map in Diffeology”, Cornell University, USA.  March 2003 — “Symplectic Diffeology”, University of Toronto, Canada.  March 2003 — “Coadjoint orbits in Diffeology”, Howard University, Washington DC, USA.  January — May, 2003 : “A course on Symplectic Geometry”, Cornell University, USA.  February 2003 — “Curves with constant curvature on the Poincaré disc, an illustration of the moment map”, Cornell University, USA.  November — December, 2002 : “A mini course on Symplectic Geometry”, Hebrew University of Jerusalem, Israël.  June 2002 — “Les origines de la géométrie symplectique”, Maison des Sciences de l'Homme, Paris, France.  June 2002 — “The irrational torus”, Hebrew University of Jerusalem, Israël. http://www.fields.utoronto.ca/activities/24-25/Hamiltonian-Geometryhttps://www2.math.kyushu-u.ac.jp/~iwase/BDHT3/Home.htmlhttp://www.math.tau.ac.il/~levbuh/Seminars/GD/Seminar_GD.htmlhttps://mathematics.huji.ac.il/event/tg-patrick-iglesias-zemmour-orbifolds-quasifolds-and-c-algebras-diffeology?delta=0http://diffeology.nethttp://www.turkmath.org/beta/seminer.php?id_seminer=2609Shantou-Lectures.htmlhttps://www.stu.edu.cn/https://www.stu.edu.cn/http://math.huji.ac.il/~piz/documents/EOSRISD.diapos.pdfhttp://math.shinshu-u.ac.jp/~center/conferences-en.htmlhttp://www.cpt.univ-mrs.fr/spip.php?page=rubrique&id_rubrique=39http://souriau2019.frhttp://www.cpt.univ-mrs.fr/spip.php?page=jour&lang=fr&date=2019-04-19%2014%3A00%3A00https://www2.math.kyushu-u.ac.jp/~iwase/BDHT/Home.htmlhttps://fgsi2019.sciencesconf.orghttps://matematikkoyu.org/etkinlik-detay.php?egitimkod=203http://www.di.ens.fr/users/longo/philo-math.htmlhttps://sites.google.com/site/logiquecategoriquehttp://www.gsu.edu.tr/en/https://webusers.imj-prg.fr/~frederic.helein/gdt16-17.htmlhttp://www.cpt.univ-mrs.fr/spip.php?rubrique61&lang=frhttp://math.gsu.edu.tr/diff2016/seminars/Programme%20Diffeology%20Oct-Nov%202016.pdfhttp://www.gsu.edu.tr/en/http://math.gsu.edu.tr/diff2016/Programme%20WS%20Diffeology%202016%20-%20Istanbul.pdfhttps://drive.google.com/open?id=0BwkLXR_zRu-pWC00N1FXNHNIRW8http://math.gsu.edu.tr/diff2016https://drive.google.com/open?id=0BwkLXR_zRu-pRkZ1VWZyU1NyVXMhttp://ercpqg-espace.sciencesconf.orghttp://www.irem.univ-paris-diderot.fr/sections/epistemologie/http://ffp14.cpt.univ-mrs.fr/index.php?page=bulletinWorshop%20Diffeology%202014.htmlWorshop%20Diffeology%202014.htmlhttp://www.math.unifi.ithttp://www.sphere.univ-paris-diderot.fr/spip.php?article748&lang=frhttp://www.msh-paris.fr/http://www.univ-paris-diderot.fr/http://www.univ-provence.fr/souriau90http://www.univ-provence.fr/souriau90http://www.iscpif.fr/Bennequin2012http://www.iscpif.fr/http://categories-and-physics-2011.math.univ-paris-diderot.fr/?s=BLfCz-h1uSFFwvFscPlYdY3-Puw&a=chglang&olang=frhttp://www.univ-paris-diderot.fr/http://www.ihes.fr/http://www.ihes.fr/http://www.ncts.ncku.edu.tw/eng/intro.phphttp://math.cts.nthu.edu.tw/Mathematics/2011Taiwan-FranceWorkshop.htmTaiwan%20Poster.htmlhttp://www.innovaxiom.com/index.php?option=com_content&task=blogcategory&id=175&Itemid=231http://www.math.toronto.edu/http://www.math.uwo.ca/research/all-seminars/colloquium/http://www.math.technion.ac.il/Geometrie%20et%20Dynamique%20des%20Mouvements.htmlhttp://www.ihes.fr/jsp/site/Portal.jsp?page_id=62http://www.ihes.fr/http://math.georgiasouthern.edu/math/http://math.univ-lyon1.fr/~okra/Claude2009http://www.crcg.de/wiki/index.php5?title=CRCG_Workshop_-_Higher_Structures_in_Topology_and_Geometry_IIIhttp://www.huji.ac.il/http://www2.math.uni-paderborn.de/index.php?id=8596http://www.math.tau.ac.il/http://www.huji.ac.il/Course%20on%20Relativity.htmlhttp://www.huji.ac.il/http://www.coas.howard.edu/mathematics/http://math.georgiasouthern.edu/math/http://www.math.uic.edu/http://www.math.toronto.edu/http://www.math.toronto.edu/http://iml.univ-mrs.fr/http://cpt.univ-mrs.fr/http://www.math.technion.ac.il/http://theoreme.nethttp://www.huji.ac.il/http://www.huji.ac.il/http://www.huji.ac.il/http://www.huji.ac.il/http://www.math.toronto.edu/http://math.georgiasouthern.edu/math/http://www.huji.ac.il/http://www.coas.howard.edu/mathematics/http://www.huji.ac.il/http://math.georgiasouthern.edu/math/http://imu.org.il/http://www.huji.ac.il/http://www.biu.ac.il/http://www.huji.ac.il/http://www.math.jussieu.fr/http://www.cornell.eduhttp://www.cornell.eduhttp://www.math.toronto.edu/http://www.howard.edu/http://www.math.cornell.edu/index.htmlhttp://www.cornell.eduhttp://www.huji.ac.il/http://www.huji.ac.il/shapeimage_1_link_0shapeimage_1_link_1shapeimage_1_link_2shapeimage_1_link_3shapeimage_1_link_4shapeimage_1_link_5shapeimage_1_link_6shapeimage_1_link_7shapeimage_1_link_8shapeimage_1_link_9shapeimage_1_link_10shapeimage_1_link_11shapeimage_1_link_12shapeimage_1_link_13shapeimage_1_link_14shapeimage_1_link_15shapeimage_1_link_16shapeimage_1_link_17shapeimage_1_link_18shapeimage_1_link_19shapeimage_1_link_20shapeimage_1_link_21shapeimage_1_link_22shapeimage_1_link_23shapeimage_1_link_24shapeimage_1_link_25shapeimage_1_link_26shapeimage_1_link_27shapeimage_1_link_28shapeimage_1_link_29shapeimage_1_link_30shapeimage_1_link_31shapeimage_1_link_32shapeimage_1_link_33shapeimage_1_link_34shapeimage_1_link_35shapeimage_1_link_36shapeimage_1_link_37shapeimage_1_link_38shapeimage_1_link_39shapeimage_1_link_40shapeimage_1_link_41shapeimage_1_link_42shapeimage_1_link_43shapeimage_1_link_44shapeimage_1_link_45shapeimage_1_link_46shapeimage_1_link_47shapeimage_1_link_48shapeimage_1_link_49shapeimage_1_link_50shapeimage_1_link_51shapeimage_1_link_52shapeimage_1_link_53shapeimage_1_link_54shapeimage_1_link_55shapeimage_1_link_56shapeimage_1_link_57shapeimage_1_link_58shapeimage_1_link_59shapeimage_1_link_60shapeimage_1_link_61shapei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Courses & Talks The list of my last talks, or courses, and the announcement of the next ones.