| Thu | Apr 09 | 18:00 | Online logic seminar | Stanislav Srednyak | On logical problems arising in atomic and particle physics | |
| Thu | Apr 09 | 20:30 | SFU NT-AG seminar | Yixin Chen | Transcendental Brauer-Manin Obstruction for Hyperelliptic Surfaces | |
| Thu | Apr 09 | 21:00 | STAGE | Ari Krishna | Torsors over a diagonal cubic surface | |
| Fri | Apr 10 | 09:00 | SISSA's Analysis seminars | Massimo Sorella | Fast dynamo action on the 3-torus for pulsed-diffusions | |
| Fri | Apr 10 | 12:00 | University of Birmingham theoretical computer science seminar | Dmitriy Zhuk | Quantified Constraint Satisfaction Problem: Towards the classification of complexity | |
| Fri | Apr 10 | 12:40 | ODTU-Bilkent Algebraic Geometry Seminars | Michael Chitayat | Borel subgroups of $\rm{Aut}(\mathbb{A}^n)$ | |
| Fri | Apr 10 | 13:15 | Symplectic zoominar | Eric Kilgore (USC) | Equivariant contact Floer cohomology for quotient spaces | |
| Fri | Apr 10 | 14:00 | Cross Alps Logic Seminar | Giuseppe Rosolini | Suggesting a categorical structure on categories of models | |
| Fri | Apr 10 | 15:00 | CRM - Séminaire du CIRGET / Géométrie et Topologie | David Calderbank | TBA | |
| Fri | Apr 10 | 16:00 | GEOTOP-A seminar | Nikolas Schonsheck | Identifying, tracking, and learning the grid cell circular coordinate systems | |
| Fri | Apr 10 | 17:00 | Geometry Webinar AmSur /AmSul | Jesse Madnick | Hyperbolicity and conformal curves in calibrated geometry | |
| Fri | Apr 10 | 17:00 | VCU Geometry and Topology Seminar | Siddarth Kannan | Symmetric functions and motivic invariants of moduli spaces | |
| Fri | Apr 10 | 22:30 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Simone Brugiapaglia | From compression to depth: generative compressive sensing and deep greedy unfolding for signal reconstruction | |
| Sat | Apr 11 | 12:30 | Knots, graphs and groups | Ivan Remizov | TBA | |
| Mon | Apr 13 | 10:30 | Basic Notions and Applied Topology Seminar | Jakub Malinowski | Deep Learning (Part 2) | |
| Mon | Apr 13 | 11:15 | CAM seminar | Michael Tretyakov | Neural SDEs for variance reduction | |
| Mon | Apr 13 | 12:00 | Paris algebra seminar | Lior Silberberg | Folding of cluster algebras and quantum toroidal algebras | |
| Mon | Apr 13 | 14:00 | Geometric and functional inequalities and applications | Carlo Sinestrari | Mean curvature flow in asymptotically flat three manifolds | |
| Mon | Apr 13 | 14:00 | Seminar on Microbial Biotechnology: Developing the Conceptual Framework of the DBTL Cycle | Jasper Koehorst | TBC | |
| Mon | Apr 13 | 14:00 | Nečas Seminar on Continuum Mechanics | P. Podio-Guidugli / L. Truskinovsky | On internal distance interactions in continuum physics/Generalized Clapeyron's Theorem | |
| Mon | Apr 13 | 14:00 | Quantum Groups Seminar [QGS] | Alfons Van Daele | Discrete quantum groups | |
| Mon | Apr 13 | 14:00 | SISSA algebraic geometry seminar | Marco Miceli | The universal curve and the gluing morphisms | |
| Mon | Apr 13 | 15:00 | European Non-Associative Algebra Seminar | Maria Ferrara | A Sylow Theorem for Some Classes of Finite Skew Braces | |
| Mon | Apr 13 | 15:00 | Mathematical and Computational Biology Seminar Series | Suzanne Sindi | Mathematical Models as Engines of Discovery: Insights from Protein Misfolding and Coagulation Disorders | |
| Mon | Apr 13 | 15:30 | Knots and representation theory | Various speakers | Конференции Ломоносов-2026 | |
| Mon | Apr 13 | 18:15 | Number Theory and Combinatorics Seminar (NTC) | Andrea Burgess | TBA | |
| Mon | Apr 13 | 20:00 | Boston University Number Theory Seminar | David Zureick-Brown | Angle ranks of Abelian varieties | |
| Mon | Apr 13 | 22:00 | UCLA Number Theory Seminar | Mingjia Zhang | TBA | |
| Tue | Apr 14 | 01:00 | Nonlinear Analysis Seminar Series | Wenqi Zhang | Stein-Weiss and power weight Sobolev inequalities in $L^1$ | |
| Tue | Apr 14 | 07:00 | Necas PDE seminar | Malte-Laurens Kampschulte | Homogenization for Fluid-Structure Interactio | |
| Tue | Apr 14 | 13:00 | One World Combinatorics on Words Seminar | Idrissa Kaboré | TBA | |
| Tue | Apr 14 | 14:00 | Florida Atlantic University Crypto Café | Christophe Petit | TBA | |
| Tue | Apr 14 | 14:00 | One world IAMP mathematical physics seminar | Piet Lammers | Gaussian free field convergence of the six-vertex model with Delta between -1 and -1/2 | |
| Tue | Apr 14 | 15:00 | The Isogeny Club | Eda Kırımlı | Refined Humbert invariants and isogeny problems | |
| Tue | Apr 14 | 15:00 | Potomac region PDE seminar | Daniel Restrepo | Convergence of semilinear parabolic flows with general initial data | |
| Tue | Apr 14 | 17:00 | VaNTAGe | Daniel Litt | Integrating AI tools into day-to-day mathematical work | |
| Tue | Apr 14 | 18:30 | NHETC Seminar | Ibrahima Bah | TBA | |
| Tue | Apr 14 | 19:30 | BC-MIT number theory seminar | Giada Grossi | $p$-adic Families and Arithmetic | |
| Tue | Apr 14 | 20:00 | Five College Number Theory Seminar | No Seminar | Senior Thesis week | |
| Tue | Apr 14 | 21:00 | BC-MIT number theory seminar | Gregorio Baldi | Intersections and the Bézout Range for Abelian Varieties | |
| Tue | Apr 14 | 22:30 | PIMS-CORDS SFU Operations Research Seminar | Temesgen Abraha and Tanmaya Karmarkar (UBC-O hosted) | TBA | |
| Wed | Apr 15 | 04:00 | UNSW Number Theory Seminar | Kéva Djambaé | Explicit constructions of Galois Groups | |
| Wed | Apr 15 | 04:00 | UNSW Number Theory Seminar | Siddharth Iyer | Cubic Polynomials and Sums of Two squares | |
| Wed | Apr 15 | 07:30 | Moscow-Beijing topology seminar | George Shabat | TBA | |
| Wed | Apr 15 | 11:15 | Gothenburg statistics seminar | Karthik Bharath | Rolled Gaussian process models for data as curves on manifolds | |
| Wed | Apr 15 | 11:30 | Prague-Hradec Kralove seminar Cohomology in algebra, geometry, physics and statistics | Alexei Kotov | Geometry through the Lens of dg Manifolds | |
| Wed | Apr 15 | 15:00 | Theorems of the 21st Century Seminar | Harald Helfgott | Growth, expansion and escape in groups | |
| Wed | Apr 15 | 16:20 | Geometry of differential equations seminar | Konstantin Druzhkov | Invariant reduction for PDEs. IV: Symmetries that rescale geometric structures | |
| Wed | Apr 15 | 18:00 | New York City Category Theory Seminar | Michael Lesnick | Limit Computation Over Posets via Minimal Initial Functors | |
| Wed | Apr 15 | 19:00 | Harvard number theory seminar | Katharine Woo | TBA | |
| Wed | Apr 15 | 19:00 | Noncommutative geometry in NYC | Arvid Siqveland | Minicourse: Riemannian Geometry on Associative Varieties, I | |
| Thu | Apr 16 | 03:00 | ANU Research School of Earth Sciences school seminar | -- | TBA | |
| Thu | Apr 16 | 08:00 | Autocatalysis in reaction networks | Doron Lancet | Autocatalytic networks in lipid micelles evolve to self-reproducing protocells | |
| Thu | Apr 16 | 08:30 | Autocatalysis in reaction networks | Nayan Chakraborty | De novo emergence of proto-metabolically active compartments | |
| Thu | Apr 16 | 12:00 | Geometric Structures Research Seminar | Nicola Paddeu | Branching of normal curves in sub-Finsler Lie groups | |
| Thu | Apr 16 | 12:00 | SISSA's Analysis seminars | Oliver Edtmair | TBA | |
| Thu | Apr 16 | 12:40 | METU Mathematics General Seminar | Erman Işık | The Growth of Tate-Shafarevich Groups of $p$-supersingular Elliptic Curves over Anticyclotomic $\mathbb{Z}_p$-extensions at Inert Primes | |
| Thu | Apr 16 | 13:15 | Real and complex Geometry | Pierrick Bousseau (Oxford) | TBA | |
| Thu | Apr 16 | 14:00 | Maths seminars at the University of Galway | Cliff Gilmore | TYPICALITY OF OPERATORS ADMITTING A HYPERCYCLIC ALGEBRA | |
| Thu | Apr 16 | 14:30 | Gothenburg PhD seminar | Edvin Martinson | Naked Singularities in Your Area — Click to Apply Cosmic Censorship | |
| Thu | Apr 16 | 15:00 | Number Theory Web Seminar | Michel Waldschmidt | Multicyclotomy | |
| Thu | Apr 16 | 16:00 | Online Complexity Seminar | Yichuan Wang | Superquadratic Lower Bounds for Depth-2 Linear Threshold Circuits | |
| Thu | Apr 16 | 16:15 | New England Dynamics and Number Theory Seminar | Alex Maldague | Superrigidity of rich representations | |
| Thu | Apr 16 | 17:00 | Topos Institute Colloquium | Robin Piedeleu | The Algebra of Probabilistic Boolean Circuits | |
| Thu | Apr 16 | 18:00 | Online logic seminar | José Jeremías Valenzuela Morales | A Timeline of Lattice Embeddings into the Turing Degrees | |
| Thu | Apr 16 | 18:00 | FirstPrinciples Talks | Philip Harris | Around the Forces in 80 Microseconds | |
| Thu | Apr 16 | 20:15 | CUNY Geometric Analysis Seminar | Qiaochu Ma | Small Scale Index Theory, Scalar Curvature, and Gromov’s Simplicial Norm | |
| Thu | Apr 16 | 21:00 | STAGE | Xinyu Fang | Descent varieties and Brauer-Manin obstruction on diagonal cubic surfaces | |
| Fri | Apr 17 | 06:00 | Postech-PMI Number Theory Seminar | Haseo Ki | On the Bogomolny-Schmit Conjecture for Maass Forms | |
| Fri | Apr 17 | 07:00 | Europe and Pacific Theoretical Physics | Bartosz Pyszkowski | An Introduction to Double String Theory and Non-Riemannian Backgrounds | |
| Fri | Apr 17 | 08:00 | SEU Yau Center Theoretical Physics Seminars | Sung-Soo Kim | New perspective on S-folds of 5d SCFTs | |
| Fri | Apr 17 | 12:40 | ODTU-Bilkent Algebraic Geometry Seminars | Alexander Degtyarev | A decade of line counting: an overview | |
| Fri | Apr 17 | 13:15 | Symplectic zoominar | Marcelo Alves (Augsburg) | Polytopes and \(C^0\)-Riemannian metrics with positive topological entropy | |
| Fri | Apr 17 | 14:00 | Selected Topics in Mathematics - Online Edition | Lev Birbrair | TBA | |
| Fri | Apr 17 | 15:00 | CRM - Séminaire du CIRGET / Géométrie et Topologie | Hans Boden | TBA | |
| Fri | Apr 17 | 16:00 | GEOTOP-A seminar | Ahtziri González-Lemus | Detecting the order of chaotic Lagrangian orbits in convective flows through their topological properties | |
| Fri | Apr 17 | 22:30 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Ricardo Baptista | Processing Language, Images and Other Data Modalities | |
| Mon | Apr 20 | 10:30 | Basic Notions and Applied Topology Seminar | Janusz Przewocki | Unsupervised Learning (Part 1) | |
| Mon | Apr 20 | 13:40 | Nečas Seminar on Continuum Mechanics | Jonathan Bevan | TBA | |
| Mon | Apr 20 | 14:00 | Geometric and functional inequalities and applications | Paolo Piccione | Cohomogeneity one minimal submanifolds | |
| Mon | Apr 20 | 14:00 | SISSA algebraic geometry seminar | Pietro Toscano | Description and Chow ring of \bar M_{0,n} | |
| Mon | Apr 20 | 14:30 | Gothenburg PhD seminar | Philipp Misof | TBA | |
| Mon | Apr 20 | 15:00 | European Non-Associative Algebra Seminar | Michael Lau | Lie algebra representations and free Jordan algebras | |
| Mon | Apr 20 | 15:30 | Knots and representation theory | Kâzim İlhab İkeda | On the Langlands reciprocity and functoriality principles | |
| Mon | Apr 20 | 22:00 | UCLA Number Theory Seminar | Hung Chiang | TBA | |
| Mon | Apr 20 | 22:30 | Séminaire GAATI | Adam Logan | TBA | |
| Tue | Apr 21 | 07:00 | Necas PDE seminar | Jiri Neustupa | TBA | |
| Tue | Apr 21 | 12:00 | One World Numeration seminar | Jamie Walton | TBA | |
| Tue | Apr 21 | 12:00 | Sheffield Number Theory Seminar | Jack Shotton | TBA | |
| Tue | Apr 21 | 15:00 | Potomac region PDE seminar | Seyed Banihashemi | TBA | |
| Tue | Apr 21 | 16:00 | Online Seminar On Undergraduate Mathematics Education | Rosalie Bélanger-Rioux | The definition of a mathematician | |
| Tue | Apr 21 | 18:30 | NHETC Seminar | Matthias Gaberdiel | TBA | |
| Tue | Apr 21 | 20:00 | Five College Number Theory Seminar | No Seminar | April Break | |
| Tue | Apr 21 | 20:30 | MIT Algebraic Topology Seminar | Sadok Kallel | Combinatorial Invariants of Stratified Spaces | |
| Tue | Apr 21 | 20:30 | MIT number theory seminar | Jared Weinstein | TBA | |
| Wed | Apr 22 | 08:00 | Algebra and Geometry Seminar @ HKUST | Germán Stefanich | TBA | |
| Wed | Apr 22 | 08:40 | Function spaces | Riju Basak | TBA | |
| Wed | Apr 22 | 09:00 | European Quantum Algebra Lectures (EQuAL) | Kürsat Sözer | TBA | |
| Wed | Apr 22 | 10:00 | ICCUB Seminars | Daniel Castillo and Dorian G. Frycz | Two-neutrino ββ decay to excited states at next-to-leading order | |
| Wed | Apr 22 | 11:30 | Prague-Hradec Kralove seminar Cohomology in algebra, geometry, physics and statistics | Pierre Bieliavsky | TBA | |
