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Mathematics Conferences

February 5 Journée statistique et informatique pour la science des données à Paris-Saclay Event hosted by IHES as part of its partnership with the Université Paris-Saclay

Organizers: Thanh Mai Phan Ngoc, LMO Orsay, and Charles Soussen, L2S Input Similarity from the Neural Network Perspective, Guillaume Charpiat, LRI Analysis of Gradient Descent on Wide Two Layer Neural Networks, Lenaïc Chizat, LMO Deep Unfolding of a Proximal Interior Point Method for Image Restoration, Emilie Chouzenoux, CVN Maximum Entropy Distributions for Image Synthesis under Statistical Constraints, Agnès Desolneux, Centre Borelli Deep Neural Network for Audio and Music Transformations, Gaël Richard, Télécom Paris Supervised Learning with Missing Values, Gaël Varoquaux, INRIA Parietal Presentation format: video conference

From June 7 to 11 Arithmetic Geometry in Honor of Luc Illusie Conference organized with the support of IMJ-PRG, LMO, MCM Chinese Academy of Science and NSFC

Organizers: Lei Fu, Tsinghua University, Fabrice Orgogozo, CNRS & IMJ-PRG, and Weizhe Zheng, MCM, AMSS & CAS The Relative Hodge Tate Spectral Sequence, Ahmed Abbes, CNRS & IHES Height Pairing and Vanishing Cycles, Alexander Beilinson, University of Chicago Hodge Theory for Non Archimedean Analytic Spaces, Vladimir Berkovich, Weizmann Institute of Science The Absolute Prismatic Site, Bhargav Bhatt, University of Michigan Grothendieck Serre in the Quasi split Unramified Case, Kęstutis Česnavičius, CNRS Orsay Newton Stratification and Weakly Admissible Locus in p adic Hodge Theory, Miaofen Chen, East China Normal University Motivic Connections over a Finite Field, Hélène Esnault, Freie Universität Berlin Comparison of Oriented Products and Rigid Toposes, Ofer Gabber, CNRS & IHES On a Generalization of Colmez s Functor, Yongquan Hu, MCM, AMSS & CAS Exponential Sums and Finite Groups, Nicholas Katz, Princeton University Logarithmic Abelian Varieties, Kazuya Kato, University of Chicago On the Derived Lusztig Correspondence, Gérard Laumon, CNRS Remarks on p adic Logarithmic Cohomology Theories, Akhil Mathew, University of Chicago Intersection Cohomology of Shimura Varieties and Pizza, Sophie Morel, CNRS & ENS Lyon Jet Bundles and Differential Calculus, Ngô Bảo Châu, University of Chicago Prisms, Prismatic Neighborhoods, and p de Rham Cohomology, Arthur Ogus, University of California, Berkeley Representability Results for Flat Cohomology, Martin Olsson, University of California, Berkeley Micro Support of a Constructible Sheaf in Mixed Characteristic, Takeshi Saito, University of Tokyo Basic Reductions of Abelian Varieties, Yunqing Tang, CNRS Orsay Logarithmic Geometry and Resolution of Singularities, Michael Temkin, The Hebrew University of Jerusalem Cohomology of Prismatic Crystals, Yichao Tian, Université de Strasbourg Cohomology of Stacks of Shtukas, Cong Xue, University of Cambridge Presentation format: hybrid

From August 30 to September 1 Geometry in Non-positive Curvature and Kähler Groups

Conference hosted by IHES, with the support of ANR-Dagger

Organizers: Rémi Coulon, CNRS Rennes, François Dahmani, Institut Fourier, and Alexandre Martin, Heriot-Watt University

Graphical Small Cancellation Groups, Goulnara Arzhantseva, Universität Wien Subgroups of Direct Products of Surface Groups, Martin Bridson, University of

Oxford Random Foldings of Pentagons, Serge Cantat, Institut de recherches mathématiques de Rennes Connections between Hyperbolic Geometry and Median Geometry, Cornelia Drutu, University of Oxford Action of Groups on the Poisson Boundary, Anna Erschler, ENS Paris Still Unsolved Problems, Misha Gromov, IHES Positivity in Flag Manifolds and Positive Representations, Olivier Guichard, IRMA Strasbourg Measure Equivalence Rigidity for Out(F

N ) and Dynamical Decomposition, Vincent

Guirardel, Université de Rennes 1 Asymptotic Dimension of Graphs of Polynomial Growth and Systolic Inequalities, Panagiotis Papasoglu,

University of Oxford Complex Geometry and Higher Finiteness Properties of Groups, Pierre Py, IRMA Strasbourg Automorphisms of Groups and a

Higher Rank JSJ Decomposition, Zlil Sela, The Hebrew University of Jerusalem Presentation format: in person

From October 4 to 8 Large-scale Limits of Interacting Particle Systems Conference hosted by IHES, with the support of CNRS Momentum

Organizers: Mitia Duerinckx, CNRS, Sergio Simonella, CNRS and Raphael Winter, ENS Lyon Universal Behavior of Bose Einstein Condensates in the Gross Pitaevskii Regime, Serena Cenatiempo, GSSI On the Derivation of the Kinetic Wave Equation, Charles Collot, Cergy Paris Université Duality, Intertwining and Orthogonal Polynomials for Continuum Interacting Particle Systems, Sabine Jansen, Ludwig-Maximilians-Universität München Mean field Limits and Bose Einstein Condensation for Quantum Gases, Mathieu Lewin, CNRS Quantum Lorentz Gas in the Boltzmann Grad Limit: Random vs Periodic, Jens Marklof, University of Bristol Statistical Description of a Hard Sphere Gas Dynamics, Laure Saint-Raymond, IHES Derivation of the Vlasov Equation: Different Types of Convergence, Peter Pickl, Ludwig-Maximilians-Universität München Correlation Energy of a Weakly Interacting Fermi Gas, Marcello Porta, SISSA From a Stochastic Particle System to the BGK Equation, Mario Pulvirenti, Università di Roma « La Sapienza » Bose Gases at Positive Temperature and Non linear Gibbs Measures, Nicolas Rougerie, UMPA Diagrammatic Expansions and Renormalization in Quantum Dynamics, Manfred Salmhofer, Institute for Theoretical Physics, Univ. of Heidelberg Invariance Principle for Random Lorentz Gas Beyond the Boltzmann Grad Limit, Bálint Tóth, University of Bristol Large scale Limits of Interacting Particle Systems, Jakob Yngvason, Universität Wien Presentation format: hybrid

From November 30 to December 2 Combinatorics and Arithmetic for Physics: Special Days Event in partnership with the GDR Renom Organizers: Gérard Duchamp, LIPN, Maxim Kontsevich, IHES, Gleb Koshevoy, Russian Academy of Sciences, and Vincel Hoang Ngoc Minh, LIPN Enumeration and Generation of Young Tableaux with Walls: the Density Method, Cyril Banderier, CNRS & LIPN, Université Paris-Nord Towards Executable Applied Category Theory in Coq, Nicolas Behr, CNRS & Université de Paris Some New Taylor BKAR Formulas, Léonard Ferdinand et Vincent Rivasseau, Université Paris-Saclay Maximally Dense Sphere Packings, Thomas Fernique, CNRS & LIPN Ambitropical Convexity, Mean Payoff Games and Nonarchimedean Convex Programming, Stéphane Gaubert, INRIA & École polytechnique Crystal Operators on Cluster Algebras, Volker Genz, IBS CGP Modularity of Conifold Fibers in some Hypergeometric Families, Vasily Golyshev, IITP RAS Moscow & IHES A Tropical Version of Hilbert Polynomial, Dimitri Grigoryev, CNRS Painlevé Lab, Université de Lille Noncommutative Birational Rowmotion on Rectangles, Darij Grinberg, Drexel University q cut and join Operators and q Capelli Identity on Reflection Equation Algebras, Dimitry Gurevich, Université Polytechnique Hauts-de-France On the Solutions of Knizhnik Zamolodchikov Differential Equations by Noncommutative Picard Vessiot Theory, Vincel Hoang Ngoc Minh, LIPN Geometry, Matter and Physics, Richard Kerner, LPTMC, Sorbonne Université An Update on Algebraic Hypergeometric Series, Maxim Kontsevich, IHES A Functorial Excursion between Algebraic Geometry and Linear Logic, Paul-André Melliès, CNRS & Université de Paris Anomalous Statistics of Extreme Random Processes, Sergei Nechaev, Poncelet Laboratory Moscow Noncommutative Wick Polynomials, Frédéric Patras, CNRS, Université Côte d'Azur Distance, Strong Convexity, Flagness, and Associahedra, Lionel Pournin, LIPN, Université Sorbonne Paris-Nord String Cones and Cluster Varieties, Bea Schumann, Universität zu Köln Asymptotic Distribution of Parameters in Trivalent Maps and Linear Lambda Terms, Alexandros Singh, LIPN, Université Sorbonne Paris-Nord How to Conjecture and Prove that the Generating Function of the Yang Zagier Numbers is Algebraic, Sergei Yurkevich, Universität Wien & INRIA Presentation format: hybrid