| Thu | Jan 22 | 19:00 | Online logic seminar | Adrian Mathias | Iteration Problems in Symbolic Dynamics I | |
| Thu | Jan 22 | 22:00 | UCLA Combinatorics Seminar | Fan Zhou | Categorifying Jacobi-Trudi | |
| Fri | Jan 23 | 07:00 | Kyushu University Algebra Seminar | Asif Zaman | The least prime with a given cycle type | |
| Fri | Jan 23 | 08:00 | SEU Yau Center Theoretical Physics Seminars | Pratik Rath | Hollow-grams: Generalized Entanglement Wedges from the Gravitational Path Integral | |
| Fri | Jan 23 | 13:00 | Analysis Junior Seminars | Guglielmo Padula | TBA | |
| Fri | Jan 23 | 13:00 | Lean Together 2026 | Kim Morrison | grind | |
| Fri | Jan 23 | 13:00 | University of Birmingham theoretical computer science seminar | Fernando Lucatelli Nunes | Eilenberg–Moore, Kleisli and Descent Factorizations | |
| Fri | Jan 23 | 13:30 | Lean Together 2026 | Alex Best | Aristotle, an AI theorem prover using Lean | |
| Fri | Jan 23 | 14:00 | Lean Together 2026 | Michal Mrugala | Formalizing Class Field Theory | |
| Fri | Jan 23 | 14:15 | Symplectic zoominar | Elad Kosloff (HUJI); Joel Schmitz (Neuchâtel) | Two 20min research talks | |
| Fri | Jan 23 | 14:30 | Lean Together 2026 | Break | Break | |
| Fri | Jan 23 | 15:00 | Lean Together 2026 | Floris van Doorn | Lessons from the Carleson project | |
| Fri | Jan 23 | 15:30 | Lean Together 2026 | Son Ho | Formal Verification of Rust Cryptographic Code in Lean with Aeneas | |
| Fri | Jan 23 | 16:00 | Lean Together 2026 | Break | Break | |
| Fri | Jan 23 | 16:00 | Topological Quantum Field Theory Club (IST, Lisbon) | Maxine Calle | Nested cobordisms and TQFTs | |
| Fri | Jan 23 | 16:30 | Lean Together 2026 | Joël Riou | Formalization of homotopy theory in Lean | |
| Fri | Jan 23 | 17:00 | Lean Together 2026 | Atticus Kuhn | Verification of model-checking techniques in Lean | |
| Sat | Jan 24 | 14:05 | Knots, graphs and groups | Oleg German | On irrationality measure and geometric aspects of Diophantine approximation | |
| Mon | Jan 26 | 08:00 | Quantum Groups Seminar [QGS] | Ben Gui | Comparison of extensions of unitary VOAs and conformal nets | |
| Mon | Jan 26 | 12:15 | CAM seminar | Mihály Kovács | Neumann-Neumann type domain decomposition of elliptic problems on metric graphs | |
| Mon | Jan 26 | 13:00 | Paris algebra seminar | Fan Qin | Quantum cluster algebras over commutative rings and quantized coordinate rings of simple algebraic groups | |
| Mon | Jan 26 | 14:40 | Nečas Seminar on Continuum Mechanics | semester break | TBA | |
| Mon | Jan 26 | 15:00 | European Non-Associative Algebra Seminar | Bernardo Leite da Cunha | Representations of two-dimensional compatible Lie algebras | |
| Mon | Jan 26 | 15:00 | Geometric and functional inequalities and applications | Fausto Ferrari | Recent regularity results in free boundary problems | |
| Mon | Jan 26 | 15:00 | SISSA algebraic geometry seminar | Giordano Crimi | Derived categories of cubic 4-folds. I | |
| Mon | Jan 26 | 15:00 | SISSA Mathematical Physics seminar | Sara Perletti | TBA | |
| Mon | Jan 26 | 21:00 | Boston University Number Theory Seminar | TBA | TBA | |
| Mon | Jan 26 | 22:30 | Séminaire GAATI | Kéva Djambaé | TBA | |
| Tue | Jan 27 | 08:00 | Tricontinental Quantum Fundamentals Seminar | Germain Tobar | Quantum metasurfaces as probes of vacuum particle content | |
| Tue | Jan 27 | 13:00 | One World Numeration seminar | Henri Cohen | Continued Fractions and Irrationality Measures for Chowla-Selberg Gamma Quotients | |
| Tue | Jan 27 | 13:00 | Sheffield Number Theory Seminar | Stefan Dawydiak | Affine and asymptotic Hecke algebras for p-adic groups | |
| Tue | Jan 27 | 14:00 | MIF++ (Mathematics of Chemistry and Biology) | Egon Schulte | Local Theory in Delone Sets and Tilings | |
| Tue | Jan 27 | 14:00 | Vienna Geometry and Analysis on Groups Seminar | Mathieu Sablik | Self-simulable groups | |
| Tue | Jan 27 | 15:00 | International seminar on automorphic forms | Pan Yan | On the global Gan-Gross-Prasad conjecture for GSpin groups | |
| Tue | Jan 27 | 16:00 | Seminar on Biological Control Systems | Jordi Pla Mauri | TBA | |
| Tue | Jan 27 | 16:00 | Potomac region PDE seminar | Sathyanarayanan Chandramouli | Dispersive shock waves in the discrete nonlinear Schrödinger equation | |
| Tue | Jan 27 | 18:00 | VaNTAGe | Yang Hui He | AI-assisted Mathematical Discovery | |
| Tue | Jan 27 | 19:30 | NHETC Seminar | Carolina Figueiredo | Large $n$: scattering amplitudes at large multiplicity | |
| Tue | Jan 27 | 20:00 | Harvard MIT Algebraic Geometry Seminar | Sung Gi Park | From GIT to Baily-Borel: Moduli of hypersurfaces via minimal exponents | |
| Tue | Jan 27 | 21:00 | Five College Number Theory Seminar | Alice Lin | Finiteness of heights in isogeny classes of motives | |
| Tue | Jan 27 | 21:00 | UCLA analysis and PDE seminar | Dimitrii Zakharov | Furstenberg estimate for sticky sets of tubes in three dimensions | |
| Tue | Jan 27 | 23:30 | PIMS-CORDS SFU Operations Research Seminar | Pencheng Xie (remote) | Model-Based Derivative-Free Optimization with Improved Approximation | |
| Wed | Jan 28 | 07:30 | Moscow-Beijing topology seminar | Andronick Arutyunov | TBA | |
| Wed | Jan 28 | 12:30 | Seed Seminar of Mathematics and Physics | Julio Para-Martinez | Feynman Periods in Classical and Quantum Field Theory | |
| Wed | Jan 28 | 13:00 | Longitudinal Algebra and Geometry Open ONline Seminar (LAGOON) | TBA | TBA | |
| Wed | Jan 28 | 13:00 | SISSA's Analysis seminars | Marco Inversi | Some dissipative properties of Euler solutions | |
| Wed | Jan 28 | 14:00 | AUTH HEP-TH Seminars | Sahand Seifnashri | TBA | |
| Wed | Jan 28 | 14:00 | London number theory study group | Kyaw Shin Thant | TBA | |
| Wed | Jan 28 | 14:00 | Seed Seminar of Mathematics and Physics | Eric Pichon-Pharabod | Numerical computations of periods and monodromy representations | |
| Wed | Jan 28 | 15:00 | AnLy Strings and Fields online seminars | Ivano Basile | Horror vacui: instabilities in scale-separated Casimir compactifications | |
| Wed | Jan 28 | 15:30 | Seed Seminar of Mathematics and Physics | Roberta Angius | Thimble decomposition and Wall Crossing Structure for Physical Integrals | |
| 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 | |
| Wed | Jan 28 | 16:00 | Theorems of the 21st Century Seminar | Boaz Klartag | Sphere packing | |
| 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 | 20:00 | Noncommutative geometry in NYC | David Handelman | Random walks on groups from a dimension group perspective | |
| Wed | Jan 28 | 23:00 | University of Utah Representation Theory / Number Theory Seminar | Ekta Tiwari | TBA | |
| Thu | Jan 29 | 12:15 | Gothenburg statistics seminar | Jun Yang | Stereographic Barker’s MCMC Proposal: Efficiency and Robustness at Your Disposal | |
| Thu | Jan 29 | 13:00 | Geometric Structures Research Seminar | Yaozhong Qiu | Isoperimetric inequalities for subriemannian analogues of the gaussian measure | |
| Thu | Jan 29 | 13:30 | Geometry and topology online | Carolyn Abbott | TBA | |
| Thu | Jan 29 | 15:00 | Seminar on Analysis, Differential Equations and Mathematical Physics | Clemente Cesarano | Operator theory in the framework of Special Polynomials | |
| 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 | 15:30 | Greek Algebra & Number Theory Seminar | Alexios Terezakis | Deformation of Curves and Yakovlev Diagrams | |
| Thu | Jan 29 | 16:00 | Number Theory Web Seminar | Junxian Li | Shifted convolution problems and L-functions | |
| Thu | Jan 29 | 17:00 | Topos Institute Colloquium | Inna Zakharevich | TBA | |
| Thu | Jan 29 | 17:15 | Northwestern Applied Mathematics Seminar | Ching-Yao Lai | TBA | |
| Thu | Jan 29 | 19:00 | Online logic seminar | Sara Riva | Control and synthesis of minimal trap spaces in Boolean Network | |
| 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 | 22:00 | UCLA Combinatorics Seminar | Mikhail Skopenkov | Incidences, tilings, and fields | |
| Fri | Jan 30 | 08:00 | Europe and Pacific Theoretical Physics | tba | Anomalies in 4D Yang-Mills | |
| Fri | Jan 30 | 13:00 | University of Birmingham theoretical computer science seminar | Sandra Kiefer | Long-Refinement Graphs | |
| Fri | Jan 30 | 14:15 | Symplectic zoominar | Pranav Chakravarthy (ULB) | Non-squeezing and other rigidity results in LCS geometry | |
| 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 | 16:30 | Relatorium seminar | Mike Titelbaum | Topological obstacles to shared priors | |
| Fri | Jan 30 | 18:00 | VCU Geometry and Topology Seminar | available | TBA | |
| Mon | Feb 02 | 00:00 | Tropical mathematics and machine learning | Joe Moeller | TBA | |
| Mon | Feb 02 | 11:30 | Basic Notions and Applied Topology Seminar | Jacek Gulgowski | Moving Beyond Linearity | |
| 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 | TBA | |
| 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 | |
| Tue | Feb 03 | 00:00 | Fraser Valley Math & Stats Seminar | Serhii Myroshnychenko | On flotation, equilibrium and stability (part 1) | |
| 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 | International seminar on automorphic forms | Tariq Osman | TBA | |
| Tue | Feb 03 | 14:00 | ANTLR seminar | Katie Reilly | TBA | |
| Tue | Feb 03 | 19:30 | NHETC Seminar | Subhajit Ghosh | TBA | |
| Tue | Feb 03 | 21:00 | Five College Number Theory Seminar | Juanita Duque-Rosero | TBA | |
| Wed | Feb 04 | 07:30 | Moscow-Beijing topology seminar | Butian Zhang | TBA | |
| 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 | 14:00 | London number theory study group | Naina Praveen | TBA | |
| Wed | Feb 04 | 15:00 | AUTH HEP-TH Seminars | Simone Giombi | TBA | |