Tue | Sep 28 | **03:00** | BIMSA Geometry and Physics Seminars | Ken Kikuchi | Symmetry enhancement in RCFT | |

Tue | Sep 28 | 04:00 | Stat&QuantPhys Autumn School (SQP2021) | Takashi Mori | Introduction to some basic notions of modern machine learning | |

Tue | Sep 28 | 04:00 | Stat&QuantPhys Autumn School (SQP2021) | Neill Lambert | Open Quantum Systems: from qubits to quantum biology | |

Tue | Sep 28 | 07:30 | IBS/KAIST Discrete Math Seminar | Kevin Hendrey | Extremal functions for sparse minors | |

Tue | Sep 28 | 07:30 | Exact Results on Irrelevant Deformations of QFTs | George Jorjadze | $T\barT$ deformation of Witten's cigar model | |

Tue | Sep 28 | 08:30 | Exact Results on Irrelevant Deformations of QFTs | Yunfeng Jiang | Solvable irrelevant deformations with boundaries and defects | |

Tue | Sep 28 | 10:00 | Wales MPPM Mathematical Physics | Arnaud Brothier | Jones' actions: from conformal field theory to Richard Thompson’s group | |

Tue | Sep 28 | 11:00 | Ashoka University mathematics seminars | Rajeeva Karandikar | Power and Limitations of Opinion Polls | |

Tue | Sep 28 | 12:00 | Trimester Programs on Triangle Groups, Belyi Uniformization and Modularity at BP, Pune, India. | Sudarshan Gurjar | Riemann-Roch Theorem for Compact Riemann Surfaces | |

Tue | Sep 28 | 12:00 | CERN String Seminars | Suvrat Raju | Holography of Information and Massive Islands | |

Tue | Sep 28 | 12:30 | One World Numeration seminar | Philipp Hieronymi | A strong version of Cobham's theorem | |

Tue | Sep 28 | 12:30 | ItaCa Fest 2021 | Mauro Porta | Pro and Ind-categories in Algebra and Geometry | |

Tue | Sep 28 | 13:00 | CAvid: Complex Analysis video seminar | Yilin Wang | Loewner-Kufarev energy and foliations by Weil-Petersson quasicircles | |

Tue | Sep 28 | 13:00 | Cyclic Cohomology at 40: achievements and future prospects | Henri Moscovici | Local index formula in Noncommutative Geometry and Hopf-cyclic cohomology | |

Tue | Sep 28 | 13:00 | GGTI Online Seminars | Selman Akbulut | Lecture 2: Shaking Knots | |

Tue | Sep 28 | 13:00 | Irish Geometry Seminar | Jason DeVito | Double disk-bundles | |

Tue | Sep 28 | 13:00 | Non-local operators, probability and singularities | Grzegorz Karch | Concentration phenomena in a model of chemotaxis | |

Tue | Sep 28 | 13:00 | Quantum Gravity Across Approaches | David Mattingly | Surveying the foggy landscape of quantum gravity phenomenology | |

Tue | Sep 28 | 13:15 | Theoretical physics seminar @ Tartu | Soham Bhattacharyya | Stumbling around in the modified gravity landscape | |

Tue | Sep 28 | 13:30 | Trimester Programs on Triangle Groups, Belyi Uniformization and Modularity at BP, Pune, India. | Neelima Borade | Hyperbolic Tessellation | |

Tue | Sep 28 | 13:30 | Pangolin seminar | Kathryn Mann | How many Anosov flows can you put on a (closed, hyperbolic) 3 manifold? | |

Tue | Sep 28 | 13:30 | IPM Holography Virtual Seminars | Mikhail Khramtsov | Submerging islands through thermalization | |

Tue | Sep 28 | 13:30 | ItaCa Fest 2021 | Tim Van der Linden | Algebras with representable representations | |

Tue | Sep 28 | 14:00 | Workshop on compact homogeneous Einstein manifolds | Christoph Böhm | Homogeneous Einstein Metrics and Butterflies, part II | |

Tue | Sep 28 | 14:00 | Cyclic Cohomology at 40: achievements and future prospects | Lars Hesselholt | Topological cyclic homology and the Fargues-Fontaine curve | |

Tue | Sep 28 | 14:00 | Free Mathematics Seminar | Umut Varolgunes | Quantum cohomology as a deformation of symplectic cohomology | |

Tue | Sep 28 | 14:00 | One world IAMP mathematical physics seminar | Rostyslav Hryniv | Generalized soliton solutions of the Korteweg-de Vries equation | |

Tue | Sep 28 | 14:00 | Malliavin Calculus and its Applications | Alexey Rudenko | Multiple intersections for functions of Brownian motion on Carnot group | |

Tue | Sep 28 | 14:00 | Seminars on Numerics and Applications | Maurizio Falcone | Dynamic Programming on a tree for the approximation of finite horizon optimal control problems | |

Tue | Sep 28 | 14:45 | Geometry, Dynamics and Mechanics Seminar | Clodoaldo Grotta-Ragazzo | TBA | |

Tue | Sep 28 | 15:00 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Yong Yu | Patterns in spherical droplets | |

Tue | Sep 28 | 15:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Luigi Preziosi | (Preziosi + Loy, Part I) Modelling cell re-orientation under stretch | |

Tue | Sep 28 | 15:00 | Cyclic Cohomology at 40: achievements and future prospects | Masoud Khalkhali | Hopf cyclic cohomology | |

Tue | Sep 28 | 15:00 | FGC-IPM Joint Number Theory Webinars | Ramin Takloo-Bighash | The distribution of rational points on some spherical varieties. | |

Tue | Sep 28 | 15:00 | Seminar Series on String Phenomenology | Robin Schneider | Deep learning of Calabi-Yau metrics | |

Tue | Sep 28 | 15:00 | Virtual East-West Several Complex Variables Seminar | Yonatan Shelah | The Inverse Spectral Problem for the Leray Transform in Two Settings in $\mathbb C^2$ | |

Tue | Sep 28 | 15:00 | ZAG (Zoom Algebraic Geometry) seminar | Giulia Sacca | Compactification of Lagrangian fibrations | |

Tue | Sep 28 | 15:10 | BIRS workshop: Connecting Network Structure to its Dynamics: Fantasy or Reality? | Jay Dunlap | TBA | |

Tue | Sep 28 | 15:30 | CWRU Particle/Astro/Theory Seminars | Rebecca Rapp | TBA | |

Tue | Sep 28 | 15:30 | Geometria em Lisboa (IST) | Barbara Fantechi | Smoothability of non normal stable Gorenstein Godeaux surfaces | |

Tue | Sep 28 | 15:30 | Seminar Series on String Phenomenology | Marieke van Beest | Holography, 1-Form Symmetries, and Confinement | |

Tue | Sep 28 | 15:40 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Alexander Kiselev | Boundary layer models of the Hou-Luo scenario | |

Tue | Sep 28 | 16:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Nadia Loy | (Preziosi + Loy, Part II) Modelling cell re-orientation under stretch | |

Tue | Sep 28 | 16:00 | Online Seminar On Undergraduate Mathematics Education | Gil Strang | Linear Algebra and Deep Learning | |

Tue | Sep 28 | 16:10 | BIRS workshop: Connecting Network Structure to its Dynamics: Fantasy or Reality? | Jennifer Hurley | Tracking Circadian Post-Transcriptional Regulation to Demonstrate Clock Control of Metabolism and the Immune Response | |

Tue | Sep 28 | 16:20 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Hao Jia | Some recent progress on asymptotic stability for shear flows and vortices | |

Tue | Sep 28 | 16:30 | Nonlinear Waves and Coherent Structures Webinar Series | Michael Ward | Topics in Localized Pattern Formation for Reaction-Diffusion Systems in 3-D | |

Tue | Sep 28 | 17:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Guillaume Charras | Dissecting the link between signalling and cell mechanics | |

Tue | Sep 28 | 17:00 | Cyclic Cohomology at 40: achievements and future prospects | Max Karoubi | Real K-theories | |

Tue | Sep 28 | 17:00 | Online Seminar "Geometric Analysis" | Louis Dupaigne | The best constant in Sobolev's inequality, joint work with Ivan Gentil (Lyon 1) and Simon Zugmeyer (Paris 5) | |

Tue | Sep 28 | 17:00 | Selected Areas in Cryptography 2021 Summer school | Ania M. Piotrowska | Introduction to anonymous communication with mix networks | |

Tue | Sep 28 | 17:00 | VaNTAGe | Irene Bouw | Belyi maps in positive characteristic | |

Tue | Sep 28 | 17:10 | BIRS workshop: Connecting Network Structure to its Dynamics: Fantasy or Reality? | Leon Glass | TBA | |

Tue | Sep 28 | 17:30 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Jiahong Wu | Stabilization and prevention of potential singularity formation | |

Tue | Sep 28 | 18:00 | Cyclic Cohomology at 40: achievements and future prospects | Guillermo Cortiña | Nonarchimedean Analytic Cyclic Homology | |

Tue | Sep 28 | 18:10 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Nader Masmoudi | TBA | |

Tue | Sep 28 | 18:30 | NHETC Seminar | John McGreevy | Fractons and Chern-Simons Theory | |

Tue | Sep 28 | 18:50 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Tai-Peng Tsai | Finite energy Navier-Stokes flows with unbounded gradients induced by localized flux in the half-space | |

Tue | Sep 28 | 18:50 | UTK Geometric Analysis Seminar | Ben Lambert | Lagrangian Mean Curvature Flow with Boundary | |

Tue | Sep 28 | 19:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Jay Stotsky | The Inﬂuence of the Cell Cortex on Cell Shape and Motion | |

Tue | Sep 28 | 19:00 | Cyclic Cohomology at 40: achievements and future prospects | Mariusz Wodzick | TBA | |

Tue | Sep 28 | 19:00 | PALS Panglobal Algebra and Logic Seminar | Peter Mayr | Solving small PCSPs via large CSPs | |

Tue | Sep 28 | 19:00 | Seminar Alexander Zavadskij on Representation of Algebras and Their Applications | Karin Baur | Orbifold diagrams and skew group categories | |

Tue | Sep 28 | 19:30 | K-State Mathematics Department Women Lecture Series | Jennifer Balakrishnan | Questions about rational points on curves | |

Tue | Sep 28 | 19:30 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Carlos Roman | Vortex lines in the 3D Ginzburg-Landau model of superconductivity | |

Tue | Sep 28 | 19:30 | Purdue HET | Brian Swingle | Hydrodynamics and the Spectral Form Factor | |

Tue | Sep 28 | 19:30 | CRM-Séminaire Physique Mathématique | Alex Maloney | The Siegel-Weil Formula and Quantum Gravity as an Average | |

Tue | Sep 28 | 20:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Gisell Estrada-Rodriguez | Macroscopic description of nonlocal movement of biological systems in Rn and in networks | |

Tue | Sep 28 | 20:00 | Cyclic Cohomology at 40: achievements and future prospects | Mariusz Wodzick | TBA | |

Tue | Sep 28 | 20:00 | Fellowship of the Ring | Steven Sam | TBA | |

Tue | Sep 28 | 20:00 | Topology, Geometry, & Data Analysis (TGDA) Seminar | Alex McCearly | The Functoriality of Persistent Homology | |

Tue | Sep 28 | 20:30 | Geometric Group Theory and Topology at Tufts | Ashani Dasgupta | TBA | |

Tue | Sep 28 | 20:30 | MIT number theory seminar | Bianca Viray | Quadratic points on intersections of quadrics | |

Tue | Sep 28 | 21:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Thomas Hillen | Free discussion in gathertown | |

Tue | Sep 28 | 21:30 | Selected Areas in Cryptography 2021 Summer school | Britta Hale | Secure Messaging Protocols – Then, Now, and Next | |

Wed | Sep 29 | 00:00 | Solvable Lattice Models Seminar | Leonid Petrov | Schur rational functions, vertex models, and random domino tilings | |

Wed | Sep 29 | 01:00 | Variational Analysis and Optimisation Webinar | Quoc Tran-Dinh | Randomized Douglas-Rachford Splitting Algorithms for Federated Composite Optimization | |

Wed | Sep 29 | 07:30 | Exact Results on Irrelevant Deformations of QFTs | Matthias Staudacher | A Deformed, Integrable, Non-Diagonalizable Spin Chain from QFT | |

Wed | Sep 29 | 08:00 | One World Signal Processing Seminar Series | Robert Schober | Intelligent Reflecting Surfaces for Free-space Optical Communications | |

Wed | Sep 29 | 08:30 | Exact Results on Irrelevant Deformations of QFTs | Anna Spiering | Integrability and chaos in sYM theories from the anomalous-dimenison spectrum | |

Wed | Sep 29 | 09:30 | ICTS virtual seminar | Gui Pimentel | Decoding and bootstrapping cosmological fluctuations | |

Wed | Sep 29 | 12:00 | Computational Algebra | Tom Oliver | Supervised learning of arithmetic invariants | |

Wed | Sep 29 | 12:45 | Hodge Seminar | Kostya Tolmachov | Monodromic model for Khovanov-Rozansky homology | |

Wed | Sep 29 | 13:00 | Workshop on compact homogeneous Einstein manifolds | Yusuke Sakane | Existence and non-existence of Einstein metrics on compact homogeneous manifolds | |

Wed | Sep 29 | 13:00 | Cyclic Cohomology at 40: achievements and future prospects | Katia Consani | NCG and universal arithmetic | |

Wed | Sep 29 | 14:00 | Barcelona Set Theory Seminar | Zhixing You | Hierarchies of delta-strongly but not full strongly compact cardinals | |

Wed | Sep 29 | 14:00 | Workshop on compact homogeneous Einstein manifolds | Emilio Lauret | On the stability of homogeneous standard Einstein manifolds | |

Wed | Sep 29 | 14:00 | Codes, sphere packings, lattices, and CFTs | Dalimil Mazac | Sphere packing problem and the modular bootstrap | |

Wed | Sep 29 | 14:00 | Cyclic Cohomology at 40: achievements and future prospects | Nigel Higson | On Perrot’s index cocycles | |

Wed | Sep 29 | 14:00 | Dynamical systems and PDEs | Erwan Faou | Linear damping around inhomogeneous stationary states of the Vlasov-HMF model | |

Wed | Sep 29 | 14:00 | Hodge Seminar | Léa Bittmann | A Schur-Weyl duality between Double Afffine Hecke Algebras and quantum groups | |

Wed | Sep 29 | 14:00 | STAGE | Nathan Chen | Big and nef line bundles | |

Wed | Sep 29 | 15:00 | BIRS workshop: Singularity Formation in Nonlinear PDEs | Ping Zhan | On global hydrostatic approximation of hyperbolic Navier-Stokes system with small Gevrey class 2 data | |

Wed | Sep 29 | 15:00 | CMO - Modeling and Computational Approaches to Individual and Collective Cell Movement in Complex En | Helen Byrne | (Byrne + Alarcon, Part I) A multiscale model of complex endothelial cell dynamics in early angiogenesis | |

Wed | Sep 29 | 15:00 | Cyclic Cohomology at 40: achievements and future prospects | Victor Nistor | Localization and cyclic homology of crossed products with algebraic groups | |

Wed | Sep 29 | 15:00 | Em-Cats | Minani Iragi | A categorical study of quasi-uniform structures | |

Wed | Sep 29 | 15:00 | Theoretical and Mathematical Physics | Eugeny Babichev | Black holes in scalar-tensor theories | |

Wed | Sep 29 | 15:00 | Point Distributions Webinar | Kateryna Pozharska | Sampling recovery of functions from reproducing kernel Hilbert spaces in the uniform norm | |

Wed | Sep 29 | 15:00 | Heilbronn number theory seminar | Sam Streeter | Weak approximation for del Pezzo surfaces of low degree | |

Wed | Sep 29 | 15:10 | BIRS workshop: Connecting Network Structure to its Dynamics: Fantasy or Reality? | Jan Skotheim | TBA | |

Wed | Sep 29 | 15:30 | Quadratic forms, linear algebraic groups and beyond | Hanspeter Kraft | Small $G$-varieties (joint work with Andriy Regeta and Susanna Zimmermann) | |

Wed | Sep 29 | 15:30 | IISc Geometry/Topology Seminar | Sahana Vasudevan | TBA | |