| Mon | Feb 09 | 08:00 | Tropical mathematics and machine learning | Tom Jacobs | Weight Decay Controls Implicit Regularization: Insights on Generalization and Sparsity | | | paper |
| Sat | Feb 07 | 22:00 | Richmond Geometry Day Spring 2026 | Lightning Talk Session | Lightning Talk Session | | | |
| Sat | Feb 07 | 20:30 | Richmond Geometry Day Spring 2026 | Sergei Gukov | New quantum invariants from braiding Verma modules | | | |
| Sat | Feb 07 | 18:45 | Richmond Geometry Day Spring 2026 | Pierre Godfard | Rigidity of some quantum representations of mapping class groups via Ocneanu rigidity | | | |
| Sat | Feb 07 | 17:30 | Richmond Geometry Day Spring 2026 | Ryan Stees | Almost-concordance of knots | | | |
| Sat | Feb 07 | 17:00 | Richmond Geometry Day Spring 2026 | Arrive and Welcome Message | Arrive and Welcome Message | | | |
| Sat | Feb 07 | 14:05 | Knots, graphs and groups | Semih Özlem | Weakened axioms, idempotent splittings, and the structure of learning: From algebra to AI | | | |
| Fri | Feb 06 | 23:30 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Stefania Fresca | Handling geometric variability and multi-scale optimization in surrogate models | | | |
| Fri | Feb 06 | 16:00 | GEOTOP-A seminar | Massa Shoura | Genome Rewiring in Time and Space | | | |
| Fri | Feb 06 | 13:00 | Analysis Junior Seminars | Gabriele Codega | Machine Learning-based Quadratic Closures for Non-Intrusive Reduced Order Models | | | |
| Fri | Feb 06 | 13:00 | University of Birmingham theoretical computer science seminar | Giacomo Tendas | Logic internal to a monoidal closed category | | | |
| Fri | Feb 06 | 11:05 | Geometry and topology online | Genevieve Walsh | Drilling and what it is good for | | | paper |
| Thu | Feb 05 | 22:00 | STAGE | Aloysius Ng | Torsors of algebraic groups over fields | | | |
| Thu | Feb 05 | 22:00 | UCLA Combinatorics Seminar | Andrés R. Vindas Meléndez | q-Chromatic polynomials | | | |
| Thu | Feb 05 | 21:30 | M-seminar | Boris Tsygan | The Gauss-Manin connection in noncommutative geometry | | | |
| Thu | Feb 05 | 21:30 | SFU NT-AG seminar | Nils Bruin | 2-isogenies on Jacobians of genus 3 curves | | | |
| Thu | Feb 05 | 21:15 | CUNY Geometric Analysis Seminar | Sven Hirsch | Causal character of imaginary Killing spinors and spinorial slicings | | | |
| Thu | Feb 05 | 19:00 | Online logic seminar | Talk Canceled | Talk Canceled | | | |
| Thu | Feb 05 | 17:15 | Northwestern Applied Mathematics Seminar | Rich Townsend | Numerical Asteroseismology with the GYRE Code | | | |
| Thu | Feb 05 | 17:15 | New England Dynamics and Number Theory Seminar | Alexander Skenderi | Asymptotically large free semigroups in Zariski dense discrete subgroups of Lie groups | | | |
| Thu | Feb 05 | 17:00 | Quasiworld Seminar | Janne Junnila | On singularity lines of complex projective structures with real holonomy | | | |
| Thu | Feb 05 | 17:00 | Topos Institute Colloquium | Dan Ghica | Designing and developing an industrial-strength programming language: Stories from the trenches | | video | |
| Thu | Feb 05 | 16:00 | Number Theory Web Seminar | Floris Vermeulen | Serre's thin set conjecture | | | |
| Thu | Feb 05 | 16:00 | Quasiworld Seminar | Sergiy Merenkov | Quasiregular maps of carpet Julia sets | | | |
| Thu | Feb 05 | 15:00 | Maths seminars at the University of Galway | Michele D'Adderio | q,t-combinatorics and sandpiles | | | |
| Thu | Feb 05 | 14:30 | JoMaReC - Joint Online Mathematical Relativity Colloquium | David Maxwell | Einstein-fluid initial data | | | |
| Thu | Feb 05 | 13:30 | Geometry and topology online | Luke Jeffreys | Euler characteristics of SL(2,Z)-orbit graphs of square-tiled surfaces | | | |
| Thu | Feb 05 | 13:00 | Probability, Statistical Mechanics and Quantum Fields | Lucas Broux | A geometric view upon the renormalisation of stochastic PDEs: the example of $\Phi^4$ | | | |
| Thu | Feb 05 | 11:00 | Mathematical models and integration methods | V. Mironov | Wind profiles in atmospheric boundary layer | | | |
| Wed | Feb 04 | 20:00 | Harvard number theory seminar | Robin Zhang | A Lie-theoretic trichotomy in Diophantine geometry and arithmetic dynamics | | | |
| Wed | Feb 04 | 19:00 | New York City Category Theory Seminar | Sergei Artemov | Non-compact proofs | | | |
| Wed | Feb 04 | 17:00 | Metagovernance Seminar | Shiran Dudy | Navigating AI Risk - From Awareness to Accountability | | | |
| Wed | Feb 04 | 16:00 | Input-to-State Stability and its Applications | Anil Alan | Input-to-State Safety and Control Barrier Functions for Robust Safety-Critical Systems | slides | video | |
| Wed | Feb 04 | 16:00 | London number theory seminar | Maleeha Khawaja | TBA | | | |
| Wed | Feb 04 | 15:30 | Gothenburg PhD seminar | Erik Jansson | Some recent developments since my last talk in this series | | | |
| Wed | Feb 04 | 15:00 | Port-Hamiltonian Seminar | Kirsten Morris | Discretization of port-Hamiltonian systems | | | |
| Wed | Feb 04 | 14:00 | London number theory study group | Naina Praveen | TBA | | | |
| Wed | Feb 04 | 12:15 | Gothenburg statistics seminar | Sandra Barman | Correlating structure and material properties in soft materials | | | |
| Wed | Feb 04 | 11:00 | ICCUB Seminars | Tomona Kinugawa | Internal structure of near-threshold exotic hadrons using compositeness | | | |
| Wed | Feb 04 | 10:30 | Seed Seminar of Mathematics and Physics | Sara Maggio | From polylogs to Calabi–Yau: canonical differential equations and intersection theory | | | |
| Wed | Feb 04 | 10:00 | European Quantum Algebra Lectures (EQuAL) | David Jordan | Defects in skein theory | | | |
| Wed | Feb 04 | 10:00 | AUTH-MATH-PH | Christos Charmoussis | Black Holes with Primary Hair | | | |
| Wed | Feb 04 | 07:30 | Moscow-Beijing topology seminar | Butian Zhang | Combinatorial 1-cocycles in the space of long knots | | | |
| Wed | Feb 04 | 05:00 | Cosmology Talks | Jessie Muir, Juan Mena-Fernández, Santiago Avila, Maria Vincenzi | Dark Energy Survey - Combined cosmology from BAO + SN (+CMB) | | video | paper |
| Tue | Feb 03 | 21:00 | Five College Number Theory Seminar | No Seminar | No Seminar | | | |
| Tue | Feb 03 | 20:00 | Harvard MIT Algebraic Geometry Seminar | Denis Nesterov | Hilbert schemes of points and Fulton-MacPherson compactifications | | | |
| Tue | Feb 03 | 19:30 | NHETC Seminar | Subhajit Ghosh | TBA | | | |
| Tue | Feb 03 | 16:00 | Feza Gursey Center Higher Structures Seminars | Semih Özlem | Weakened Axioms, Idempotent Splittings, and the Structure of Learning: From Algebra to AI | | | |
| Tue | Feb 03 | 16:00 | International seminar on automorphic forms | Tariq Osman | Bounds for Theta Sums with Rational Parameters | | | |
| Tue | Feb 03 | 16:00 | OARS Online Analysis Research Seminar | Alex Ortiz | Tangency counting for well-spaced circles | | | |
| Tue | Feb 03 | 15:00 | Florida Atlantic University Crypto Café | Bardia Taghavi | Two Birds, One Stone: A Unified High-Performance NTT Architecture for ML-KEM and ML-DSA | | | |
| Tue | Feb 03 | 15:00 | Systems Chemistry Discussion Series | Dr Jake Greenfield | Using Photoswitchable Imines to Drive (dark)Transimination Reactions Uphill | | | |
| Tue | Feb 03 | 14:00 | One World Combinatorics on Words Seminar | Annika Huch | A Word Reconstruction Problem for Polynomial Regular Languages | slides | video | |
| Tue | Feb 03 | 14:00 | One world IAMP mathematical physics seminar | Ivan Corwin | Extreme Diffusion | | | |
| Tue | Feb 03 | 14:00 | Rising Star Symposium on Cyber-Physical Systems Security, Resilience, and Privacy | Joowon Lee | Design of Controllers Having Integer Coefficients for Encrypted Control | | | |
| Tue | Feb 03 | 14:00 | MIF++ (Mathematics of Chemistry and Biology) | Oleg Karpenkov | Geometry of continued fractions | | | |
| Tue | Feb 03 | 14:00 | ANTLR seminar | Katie Reilly | One-Relator Inverse Monoids with Decidable Word Problem Are Algorithmically Unclassifiable | | | |
| Tue | Feb 03 | 12:00 | Bilecik Algebra and Number Theory General Seminar | Luis Dieulefait | Safe chains of congruences between Galois representations: a tool for modularity and functoriality. | | | |
| Mon | Feb 02 | 23:00 | UCLA Number Theory Seminar | Peter Xu | TBA | | | |
| Mon | Feb 02 | 22:30 | Séminaire GAATI | Jacky Cresson | TBA | | | |
| Mon | Feb 02 | 21:00 | Boston University Number Theory Seminar | Amnon Besser | On the Katz-Litt Theorem | | | |
| Mon | Feb 02 | 15:30 | Knots and representation theory | Igor M. Nikonov | On a representation of the group Gn3 | | | |
| Mon | Feb 02 | 15:00 | European Non-Associative Algebra Seminar | Zahra Nazemian | Aut-stable subspaces of algebras and beyond | | | |
| Mon | Feb 02 | 15:00 | Geometric and functional inequalities and applications | Matteo Muratori | A characterization of stochastic incompleteness via nonlinear diffusion | | | |
| Mon | Feb 02 | 15:00 | SISSA algebraic geometry seminar | Nicolò Bignami | Derived categories of cubic 4-folds. II | | | |
| Mon | Feb 02 | 14:40 | Nečas Seminar on Continuum Mechanics | semester break | TBA | | | |
| Mon | Feb 02 | 13:00 | Paris algebra seminar | Junyang Liu | Calabi-Yau structures on derived and singularity categories of symmetric orders | | | |
| Mon | Feb 02 | 12:15 | CAM seminar | Ana Djurdjevac | Mean-field optimal control with stochastic leaders | | | paper |
| Mon | Feb 02 | 00:00 | Tropical mathematics and machine learning | Joe Moeller | Schur Functors and Categorified Plethysm | | | |
| Sat | Jan 31 | 14:05 | Knots, graphs and groups | Yangzhou Liu | Secant-Quandle and Its Generalization: Loop-Quandle as an Invariant of Knots | | | |
| Fri | Jan 30 | 18:00 | VCU Geometry and Topology Seminar | available | TBA | | | |
| Fri | Jan 30 | 16:30 | Relatorium seminar | Mike Titelbaum | Topological obstacles to shared priors | | | |
| Fri | Jan 30 | 16:00 | CRM - Séminaire du CIRGET / Géométrie et Topologie | Chenxi Yin | Relative uniform Yau-Tian-Donaldson correspondence for projective bundles over a curve | | | |
| Fri | Jan 30 | 16:00 | GEOTOP-A seminar | Patrizio Frosini | On the Role of Group Equivariant Non-Expansive Operators as a Bridge between TDA and Machine Learning | | | |
| Fri | Jan 30 | 14:15 | Symplectic zoominar | Pranav Chakravarthy (ULB) | Non-squeezing and other rigidity results in LCS geometry | | | |
| Fri | Jan 30 | 13:00 | Analysis Junior Seminars | Adriano Prade | Young’s law and regularity of minimizers for a nonlocal isoperimetric model of charged capillarity droplets | | | |
| Fri | Jan 30 | 13:00 | University of Birmingham theoretical computer science seminar | Sandra Kiefer | Long-Refinement Graphs | | | |
| Thu | Jan 29 | 22:00 | UCLA Combinatorics Seminar | Mikhail Skopenkov | Incidences, tilings, and fields | | | |
| Thu | Jan 29 | 21:30 | SFU NT-AG seminar | Seda Albayrak | Quantitative estimates on the size of an intersection of sparse automatic sets | | | |
| Thu | Jan 29 | 19:00 | Online logic seminar | Sara Riva | Control and synthesis of minimal trap spaces in Boolean Network | | | |
| Thu | Jan 29 | 17:15 | Northwestern Applied Mathematics Seminar | Ching-Yao Lai | TBA | | | |
| Thu | Jan 29 | 17:15 | New England Dynamics and Number Theory Seminar | Alexander Smith | Diophantine approximation for hypersurfaces | | | |
| Thu | Jan 29 | 17:00 | Topos Institute Colloquium | Inna Zakharevich | The category of schemes is abelian (and other obviously-false true things) | | video | |
| Thu | Jan 29 | 16:00 | Number Theory Web Seminar | Junxian Li | Shifted convolution problems and L-functions | | | |
| Thu | Jan 29 | 15:30 | Greek Algebra & Number Theory Seminar | Alexios Terezakis | Deformation of Curves and Yakovlev Diagrams | | | |
| Thu | Jan 29 | 15:00 | Seminar on Analysis, Differential Equations and Mathematical Physics | Anatoly Golberg | Weakly Lipschitz mappings in higher dimensions | | | |
| Thu | Jan 29 | 15:00 | Maths seminars at the University of Galway | Fei Chen | Fast Alternating Fitting Methods for Trigonometric Curves for Large Data | | | |
| Thu | Jan 29 | 13:30 | Geometry and topology online | Carolyn Abbott | A non-acylindrically hyperbolic Morse local-to-global group | | | paper |
| Thu | Jan 29 | 13:30 | Семінар з фрактального аналізу / Fractal analysis seminar | Oleh Vynnyshyn | A criterion for the Cantorval structure of achievement sets of a certain class of multigeometric series | | | |
| Thu | Jan 29 | 13:00 | Geometric Structures Research Seminar | Yaozhong Qiu | Isoperimetric inequalities for subriemannian analogues of the gaussian measure | | | |
| Thu | Jan 29 | 12:15 | Gothenburg statistics seminar | Jun Yang | Stereographic Barker’s MCMC Proposal: Efficiency and Robustness at Your Disposal | | | |
| Wed | Jan 28 | 23:00 | University of Utah Representation Theory / Number Theory Seminar | Ekta Tiwari | Seeing representations of a group through the lens of its maximal compact subgroups | | | |
| Wed | Jan 28 | 20:00 | Noncommutative geometry in NYC | David Handelman | Random walks on groups from a dimension group perspective | slides | video | paper |
| Wed | Jan 28 | 18:00 | FirstPrinciples Talks | Alexei Koulakov | From Neurons to Newtons: What can the brain teach us about physics? | | | |
| Wed | Jan 28 | 17:00 | Metagovernance Seminar | Jenny Liu Zhang, Amanda Nicole Curtis, and Joanna Rivera-Carlisle | The Small Hassles Court Minigame (Final Presentation from Metagov's Governable Space-Makers Fellowship) | | | |
| Wed | Jan 28 | 17:00 | Topological Quantum Field Theory Club (IST, Lisbon) | Vincentas Mulevicius | Categorical 4-manifold invariants from trisection diagrams | | | |
| Wed | Jan 28 | 16:00 | FGC-HRI-IPM Number Theory Webinars | Pierre Lochak | A historical introduction to Grothendieck-Teichmüller theory | | | |
| Wed | Jan 28 | 16:00 | London number theory seminar | Jef Laga | TBA | | | |
| Wed | Jan 28 | 16:00 | Virtual seminar on geometry with symmetries | David Lenze | Rigidity of the Ebin metric | | video | paper |
| Wed | Jan 28 | 16:00 | Theorems of the 21st Century Seminar | Boaz Klartag | Sphere packing | | | paper |
| Wed | Jan 28 | 15:30 | Seed Seminar of Mathematics and Physics | Roberta Angius | Thimble decomposition and Wall Crossing Structure for Physical Integrals | | | |