| Sat | Jan 31 | 14:05 | Knots, graphs and groups | Yangzhou Liu | Secant-Quandle and Its Generalization: Loop-Quandle as an Invariant of Knots | |
| Mon | Feb 02 | 00:00 | Tropical mathematics and machine learning | Joe Moeller | Schur Functors and Categorified Plethysm | |
| Mon | Feb 02 | 12:15 | CAM seminar | Ana Djurdjevac | Mean-field optimal control with stochastic leaders | |
| Mon | Feb 02 | 13:00 | Paris algebra seminar | Junyang Liu | Calabi-Yau structures on derived and singularity categories of symmetric orders | |
| Mon | Feb 02 | 14:40 | Nečas Seminar on Continuum Mechanics | semester break | TBA | |
| 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 | 21:00 | Boston University Number Theory Seminar | Amnon Besser | On the Katz-Litt Theorem | |
| Mon | Feb 02 | 22:30 | Séminaire GAATI | Jacky Cresson | TBA | |
| Mon | Feb 02 | 23:00 | UCLA Number Theory Seminar | Peter Xu | TBA | |
| 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. | |
| Tue | Feb 03 | 13:15 | Dioscuri Centre in Topological Data Analysis Seminar | Benjamin Ruppik | Measuring the Topology of Word Embeddings | |
| Tue | Feb 03 | 14:00 | One World Combinatorics on Words Seminar | Annika Huch | A Word Reconstruction Problem for Polynomial Regular Languages | |
| Tue | Feb 03 | 14:00 | One world IAMP mathematical physics seminar | Ivan Corwin | Universal fluctuations for stochastic growth in 1+1 dimensional space-time manifolds | |
| 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 | ANTLR seminar | Katie Reilly | One-Relator Inverse Monoids with Decidable Word Problem Are Algorithmically Unclassifiable | |
| 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 | 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 | 19:30 | NHETC Seminar | Subhajit Ghosh | TBA | |
| Tue | Feb 03 | 20:00 | Harvard MIT Algebraic Geometry Seminar | Denis Nesterov | Hilbert schemes of points and Fulton-MacPherson compactifications | |
| Tue | Feb 03 | 21:00 | Five College Number Theory Seminar | Juanita Duque-Rosero | Invariants for Artin-Schreier curves | |
| Wed | Feb 04 | 07:30 | Moscow-Beijing topology seminar | Butian Zhang | TBA | |
| 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 | 10:30 | Seed Seminar of Mathematics and Physics | Sara Maggio | From polylogs to Calabi–Yau: canonical differential equations and intersection theory | |
| Wed | Feb 04 | 12:15 | Gothenburg statistics seminar | Sandra Barman | Correlating structure and material properties in soft materials | |
| Wed | Feb 04 | 13:15 | Dioscuri Centre in Topological Data Analysis Seminar | Flora Ferreira | Topological Feature Extraction from Time Series: Gait Applications | |
| Wed | Feb 04 | 14:00 | London number theory study group | Naina Praveen | TBA | |
| Wed | Feb 04 | 15:00 | Port-Hamiltonian Seminar | Kirsten Morris | Discretization of port-Hamiltonian systems | |
| Wed | Feb 04 | 15:30 | Gothenburg PhD seminar | Erik Jansson | Some recent developments since my last talk in this series | |
| 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 | |
| Wed | Feb 04 | 16:00 | London number theory seminar | Maleeha Khawaja | TBA | |
| Wed | Feb 04 | 17:00 | Metagovernance Seminar | Shiran Dudy | Navigating AI Risk - From Awareness to Accountability | |
| Wed | Feb 04 | 19:00 | New York City Category Theory Seminar | Sergei Artemov | Non-compact proofs | |
| Wed | Feb 04 | 20:00 | Harvard number theory seminar | Robin Zhang | A Lie-theoretic trichotomy in Diophantine geometry and arithmetic dynamics | |
| Thu | Feb 05 | 02:00 | ANU Research School of Earth Sciences school seminar | -- | TBA | |
| Thu | Feb 05 | 13:00 | Probability, Statistical Mechanics and Quantum Fields | Lucas Broux | TBA | |
| Thu | Feb 05 | 13:30 | Geometry and topology online | Luke Jeffreys | TBA | |
| Thu | Feb 05 | 14:30 | JoMaReC - Joint Online Mathematical Relativity Colloquium | David Maxwell | Einstein-fluid initial data | |
| Thu | Feb 05 | 15:00 | Maths seminars at the University of Galway | Michele D'Adderio | Contact: Angela | |
| 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 | 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 | |
| Thu | Feb 05 | 17:15 | Northwestern Applied Mathematics Seminar | Rich Townsend | TBA | |
| 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 | 19:00 | Online logic seminar | Joseph Halpern | Actual Causality: A Survey | |
| Thu | Feb 05 | 20:00 | New York Number Theory Seminar | Isaac Rajogopal | Possible sizes of sumsets | |
| Thu | Feb 05 | 21:15 | CUNY Geometric Analysis Seminar | Sven Hirsch | TBA | |
| Thu | Feb 05 | 21:30 | SFU NT-AG seminar | Nils Bruin | 2-isogenies on Jacobians of genus 3 curves | |
| Thu | Feb 05 | 22:00 | STAGE | TBA | Torsors of algebraic groups over fields | |
| Thu | Feb 05 | 22:00 | UCLA Combinatorics Seminar | Andrés R. Vindas Meléndez | TBA | |
| 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 | 16:00 | GEOTOP-A seminar | Massa Shoura | Genome Rewiring in Time and Space | |
| 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 | |
| Sat | Feb 07 | 17:00 | Richmond Geometry Day Spring 2026 | Arrive and Welcome Message | Arrive and Welcome Message | |
| Sat | Feb 07 | 17:30 | Richmond Geometry Day Spring 2026 | Ryan Stees | TBA | |
| 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 | 20:30 | Richmond Geometry Day Spring 2026 | Sergei Gukov | TBA | |
| Sat | Feb 07 | 22:00 | Richmond Geometry Day Spring 2026 | Lightning Talk Session | Lightning Talk Session | |
| Mon | Feb 09 | 08:00 | Tropical mathematics and machine learning | Tom Jacobs | Weight Decay Controls Implicit Regularization: Insights on Generalization and Sparsity | |
| Mon | Feb 09 | 11:30 | Basic Notions and Applied Topology Seminar | Marta Marszewska | Tree-Based Methods | |
| Mon | Feb 09 | 12:15 | CAM seminar | Jennifer K. Ryan | Techniques for data enhancement | |
| Mon | Feb 09 | 13:00 | Paris algebra seminar | Peigen Cao | The tropical invariant and the $F$-invariant in cluster algebras | |
| Mon | Feb 09 | 14:40 | Nečas Seminar on Continuum Mechanics | semester break | TBA | |
| Mon | Feb 09 | 15:00 | Carleton-Ottawa Number Theory seminar | Antoine Sedillot | TBA | |
| Mon | Feb 09 | 15:00 | European Non-Associative Algebra Seminar | Hans Cuypers | Every group is automorphism group of a simple algebra | |
| Mon | Feb 09 | 15:00 | Geometric and functional inequalities and applications | Lars Olsen | The Baire Hierarchy, multifractal decomposition sets and $\Pi^0_{\gamma}$-completeness | |
| Mon | Feb 09 | 15:00 | Seminar on Microbial Biotechnology: Developing the Conceptual Framework of the DBTL Cycle | TBA | TBA | |
| Mon | Feb 09 | 15:00 | SISSA algebraic geometry seminar | Andrea Ricolfi | Moduli of SODs. I | |
| Mon | Feb 09 | 21:00 | Boston University Number Theory Seminar | Antoine de Saint Germain | Mordell-Schinzel surfaces and cluster algebras | |
| Mon | Feb 09 | 22:30 | Séminaire GAATI | Taylor Dupuy | The Jacobi Bound Conjecture | |
| Tue | Feb 10 | 00:00 | Fraser Valley Math & Stats Seminar | Serhii Myroshnychenko | On flotation, equilibrium and stability (part 1) | |
| Tue | Feb 10 | 05:00 | ANU Research School of Earth Sciences HDR seminars | Ramkumar Arcot Parthiban | Geochemical and experimental constraints on the behaviour of critical metals in tin systems - Implications for exploration and extraction | |
| Tue | Feb 10 | 13:00 | NKUA HEP Seminars | Gonzalo Torroba | TBA | |
| Tue | Feb 10 | 13:00 | Non-local operators, probability and singularities | Takashi Kumagai | Quantitative homogenization on time-dependent random conductance models with stable-like jumps | |
| Tue | Feb 10 | 13:00 | One World Numeration seminar | Junnosuke Koizumi | Irrationality Sequences | |
| Tue | Feb 10 | 14:00 | ANTLR seminar | There will be a seminar | TBA | |
| Tue | Feb 10 | 18:00 | VaNTAGe | Aly Deines | Machine Learning Rational L-functions | |
| Tue | Feb 10 | 19:30 | NHETC Seminar | Patrick Draper | TBA | |
| Tue | Feb 10 | 20:00 | The Graduate Center Arithmetic Geometry Seminar | TBD | TBA | |
| Tue | Feb 10 | 20:00 | Harvard MIT Algebraic Geometry Seminar | Weite Pi | TBA | |
| Tue | Feb 10 | 20:30 | BC-MIT number theory seminar | Christopher Skinner | Euler systems and relative cohomology | |
| Tue | Feb 10 | 21:00 | Five College Number Theory Seminar | Zachary Porat | Cuspidal Cohomology Computations for Congruence Subgroups of $\mathrm{SL}(3, \mathbb{Z})$ | |
| Tue | Feb 10 | 21:00 | Mathematical Picture Language Seminar | Henrik Dreyer | Superconducting pairing correlations on a 98-qubit trapped-ion quantum computer | |
| Tue | Feb 10 | 21:10 | Harvard MIT Algebraic Geometry Seminar | Woonam Lim | Nekrasov’s gauge origami via DT4 theory | |
| Tue | Feb 10 | 22:00 | BC-MIT number theory seminar | Romyar Sharifi | Eisenstein cocycles for imaginary quadratic fields | |
| Wed | Feb 11 | 00:00 | Topology and Geometry Seminar (Texas, Kansas) | Fei Han | Differential Models for Anderson Dual to Twisted Spin(^c) Bordism and the Twisted Anomaly Map | |
| Wed | Feb 11 | 07:30 | Moscow-Beijing topology seminar | Tobias Ekholm | TBA | |
| Wed | Feb 11 | 11:30 | RA Seminar | Jorge Vitoria | Intrinsic homological algebra for triangulated categories | |
| Wed | Feb 11 | 12:30 | Prague-Hradec Kralove seminar Cohomology in algebra, geometry, physics and statistics | Tobias Fritz | Optimizing over iid distributions and the Beat the Average game | |
| Wed | Feb 11 | 14:00 | London number theory study group | Teymour Gray | TBA | |
| Wed | Feb 11 | 16:00 | London number theory seminar | Samuel Le Fourn | TBA | |
| Wed | Feb 11 | 16:00 | Virtual seminar on geometry with symmetries | Marcus Marrocos | On the generic irreducibility of the spectrum of the Laplacian on homogeneous spaces. | |
| Wed | Feb 11 | 16:00 | Theorems of the 21st Century Seminar | Avi Wigderson | Expander graphs | |
| Wed | Feb 11 | 16:20 | Geometry of differential equations seminar | Valentin Lychagin | TBA | |