Tue | Sep 10 | **20:00** | UCLA analysis and PDE seminar | Duvan Cardona Sanchez | Regularity properties of Fourier integral operators with complex phases | |

Tue | Sep 10 | **20:00** | Topology and Geometry Seminar (Texas, Kansas) | Dan Grady | Deformation classes of invertible field theories and the Freed–Hopkins conjecture | |

Tue | Sep 10 | 20:45 | Mathematical Picture Language Seminar | Michael Freedman | What can ML learn from the proof of the Kolmogorov-Arnold theorem | |

Wed | Sep 11 | 06:00 | Quantum Optics and Related Topics | R.-K. Lee | Machine-learning enhanced quantum state tomography and its applications for optical cat states | |

Wed | Sep 11 | 07:30 | Moscow-Beijing topology seminar | Zhengwei Liu | TBA | |

Wed | Sep 11 | 07:40 | Quantum Optics and Related Topics | D.B. Yusupov | Quasi-Phase Matching in Nonlinear Optics | |

Wed | Sep 11 | 08:00 | Algebra and Geometry Seminar @ HKUST | Gufang Zhao | Cousins of relative Donaldson-Thomas theory in dimension 4 | |

Wed | Sep 11 | 08:15 | Quantum Optics and Related Topics | S.A. Moiseev | Photon echo protocols of optical quantum memory | |

Wed | Sep 11 | 09:20 | Quantum Optics and Related Topics | O.V. Man'ko | Probability representation for quantum states on examples of oscillator and qubit | |

Wed | Sep 11 | 11:30 | RA Seminar | Yu Qiu | Deformed 3-Calabi-Yau categories and partial compactifications with orbifolding | |

Wed | Sep 11 | 12:00 | Quantum Optics and Related Topics | A.S. Trushechkin | Quantum communication networks with bipartite entanglement sources | |

Wed | Sep 11 | 13:40 | Quantum Optics and Related Topics | A.V. Sergienko | Directionally unbiased linear optics enable novel high-resolution sensors and quantum network routers | |

Wed | Sep 11 | 14:00 | Port-Hamiltonian Seminar | Yann Le Gorrec | Modelling, interconnection and control of irreversible port Hamiltonian systems | |

Wed | Sep 11 | 15:00 | Topological Quantum Field Theory Club (IST, Lisbon) | Chris Elliott | Topological twists of superconformal field theory | |

Wed | Sep 11 | 16:00 | Metagovernance Seminar | Anke Liu | On Neural Quorum Governance | |

Wed | Sep 11 | 16:00 | Virtual seminar on geometry with symmetries | Philipp Reiser | Twisted suspensions, torus actions, and positive Ricci curvature | |

Wed | Sep 11 | 16:20 | Geometry of differential equations seminar | Valentin Lychagin | On a structure of the first order differential operators | |

Wed | Sep 11 | 19:00 | Harvard number theory seminar | Sasha Petrov | TBA | |

Wed | Sep 11 | 19:00 | Noncommutative Geometry in NYC | Alcides Buss | P-adic Operator Algebras | |

Thu | Sep 12 | 05:00 | ANU Research School of Earth Sciences school seminar | El Mestel (Victoria University of Wellington) | Seismicity, sub-surface structure, and partnership with Tangata Whenua of Taupō volcano, Aotearoa New Zealand | |

Thu | Sep 12 | 14:00 | Maths seminars at the University of Galway | Doug Speed | New tools for analyzing genome-wide association study data | |

Thu | Sep 12 | 15:00 | Number Theory Web Seminar | Mehtaab Sawhney | Primes of the form $p^2 + nq^2$ | |

Thu | Sep 12 | 17:00 | Topos Institute Colloquium | Christine Tasson | Semantics for Reactive Probabilistic Programming | |

Thu | Sep 12 | 18:00 | Online logic seminar | Leo Jimenez | Internality of autonomous systems of differential equations | |

Thu | Sep 12 | 19:00 | New York Number Theory Seminar | Max Xu | Two stories about multiplicative energy | |

Thu | Sep 12 | 19:30 | M-seminar | Mingyuan Hu | Skein valued open Gromov-Witten invariants and cluster mutations | |

Thu | Sep 12 | 20:15 | CUNY Geometric Analysis Seminar | Junming Xie | Four-dimensional gradient Ricci solitons with nonnegative (or half nonnegative) isotropic curvature. | |

Thu | Sep 12 | 20:30 | SFU NT-AG seminar | Shubhodip Mondal | Dieudonné theory via cohomology of classifying stacks | |

Thu | Sep 12 | 21:30 | CUNY Geometric Analysis Seminar | Friedemann Schuricht | Theory of Traces and the Divergence Theorem | |

Fri | Sep 13 | 08:00 | Algebra and Geometry Seminar @ HKUST | Yaping Yang | Higher spin representations of the Yangian of sl_2 and R-matrices | |

Fri | Sep 13 | 08:00 | Nagoya Math-Phys Seminar | Junya Yagi | 3D integrability in gauge theories | |

Fri | Sep 13 | 14:00 | MIT Yakov Varshavsky Lecture Series | Yakov Varshavsky | Harmonic analysis on p-adic groups and sheaves on loop groups | |

Fri | Sep 13 | 14:00 | Maths seminars at the University of Galway | Leonard Henckel | Graphical tools for selecting conditional instrumental sets | |

Fri | Sep 13 | 15:00 | CRM - Séminaire du CIRGET / Géométrie et Topologie | Frédéric Rochon | Warped quasi-asymptotically conical Calabi-Yau metrics | |

Fri | Sep 13 | 16:00 | GEOTOP-A seminar | Claus Ernst | On the braid index of knots and links | |

Fri | Sep 13 | 17:00 | Geometry Webinar AmSur /AmSul | Andrey Soldatenkov | Lagrangian fibrations and degenerate twistor deformations | |

Fri | Sep 13 | 22:00 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Isaac Harris | Transmission Eigenvalue Problems for a Scatterer with a Conductive Boundary | |

Sat | Sep 14 | 14:05 | Knots, graphs and groups | Louis kauffman | TBA | |

Mon | Sep 16 | 09:00 | NKUA HEP Seminars | Avik Banerjee | Title- Nambu-Goto equations from 3D gravity | |

Mon | Sep 16 | 11:15 | CAM seminar | Malin Rau | Scheduling with Many Shared Resources | |

Mon | Sep 16 | 13:00 | Geometric and functional inequalities and applications | Allan Greenleaf | Partition Optimization: Multilinear Estimates from Linear Bounds | |

Mon | Sep 16 | 13:30 | Knots and representation theory | Anup Poudel | Lie Superalgebra generalizations of the JKS-invariant]{Lie Superalgebra generalizations of the Jaeger-Kauffman-Saleur Invariant | |

Mon | Sep 16 | 14:30 | STAGE | Xinyu Fang | Local systems, fundamental groupoid, definition of connection | |

Mon | Sep 16 | 15:00 | European Non-Associative Algebra Seminar | Jörg Feldvoss | Semi-simple Leibniz algebras | |

Mon | Sep 16 | 20:00 | Carleton-Ottawa Number Theory seminar | Raiza Corpuz | Equivalences of the Iwasawa main conjecture | |

Mon | Sep 16 | 20:00 | Boston University Number Theory Seminar | Alexander Bertoloni-Meli | TBA | |

Tue | Sep 17 | 06:00 | OIST representation theory seminar | Duc-Khanh Nguyen | Application of (K-theoretic) Peterson isomorphism | |

Tue | Sep 17 | 06:00 | ANU Research School of Earth Sciences HDR seminars | Leon Bilton | Investigating the evolution of seismic anisotropy in the oceanic upper mantle: insights from numerical simulations of viscoplastic flow at mid-ocean ridge systems and teleseismic shear-wave splitting of remote mantle regions. | |

Tue | Sep 17 | 12:00 | One World Numeration seminar | Simon Kristensen | On the distribution of sequences of the form $(q_n y)$ | |

Tue | Sep 17 | 16:00 | Online Seminar On Undergraduate Mathematics Education | Greg Kestin | AI-powered Activities: Design Principles and Impact on Student Learning | |

Tue | Sep 17 | 18:00 | OARS Online Analysis Research Seminar | Camil Muscalu | A new approach to the Fourier Extension Problem for the paraboloid | |

Tue | Sep 17 | 19:00 | Harvard MIT Algebraic Geometry Seminar | Benjamin Church | TBA | |

Tue | Sep 17 | 20:30 | MIT number theory seminar | Luis Garcia | The elliptic gamma function and Stark units | |

Wed | Sep 18 | 11:30 | NCTS international Geometric Measure Theory seminar | Piotr Hajłasz | Constructing diffeomorphisms and homeomorphisms with prescribed derivative | |

Wed | Sep 18 | 16:00 | Metagovernance Seminar | Primavera De Filippi, Wessel Reijers, and Morshed Mannan | New Book: Blockchain Governance | |

Wed | Sep 18 | 16:00 | Topological Quantum Field Theory Club (IST, Lisbon) | Thang Le | Algebraic structures of skein algebras | |

Wed | Sep 18 | 16:20 | Geometry of differential equations seminar | Pavel Bedrikovetsky | Exact solutions and upscaling in conservation law systems | |

Wed | Sep 18 | 19:00 | Harvard number theory seminar | Jit Wu Yap | TBA | |

Wed | Sep 18 | 19:00 | Noncommutative Geometry in NYC | Bojan Kuzma | Birkhoff-James orthogonality in normed vector spaces | |

Wed | Sep 18 | 23:00 | New York City Category Theory Seminar | Jake Araujo-Simon | Categorifying the Volterra series: towards a compositional theory of nonlinear signal processing. | |

Thu | Sep 19 | 13:00 | Tricontinental Quantum Fundamentals Seminar | Chris Mitsch | TBA | |

Thu | Sep 19 | 15:00 | Number Theory Web Seminar | Katherine E. Stange | The local-global conjecture for Apollonian circle packings is false | |

Thu | Sep 19 | 17:00 | Topos Institute Colloquium | Chris Fields | What is the Identity operator? | |

Thu | Sep 19 | 18:00 | Online logic seminar | Janani Lakshmanan | TBA | |

Thu | Sep 19 | 19:00 | New York Number Theory Seminar | Mel Nathanson | Kneser's theorem on the asymptotic density of sumsets | |

Thu | Sep 19 | 20:30 | SFU NT-AG seminar | Lucas Villagra Torcomian | Perfect powers as sum of consecutive powers | |

Fri | Sep 20 | 12:00 | Monthly Global Diffeology Seminar | Emilio Minichiello | The diffeological Cech-de Rham obstruction | |

Fri | Sep 20 | 13:00 | Algebraic and Combinatorial Perspectives in the Mathematical Sciences | Leandro Vendamin | What is a skew brace? | |

Fri | Sep 20 | 17:00 | VCU Geometry and Topology Seminar | Joe Boninger | TBA | |

Fri | Sep 20 | 22:00 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Christina Runkel | Learning posterior distributions in underdetermined inverse problems | |

Sun | Sep 22 | 06:00 | Cosmology Talks | Abigail J. Lee | Extragalactic Distances from the J-region Asymptotic Giant Branch | |

Mon | Sep 23 | 11:15 | CAM seminar | Mykola Tkachuk | Variational approaches to the analysis of structural response of fiber network microstructures | |

Mon | Sep 23 | 14:00 | Geometric and functional inequalities and applications | Ovidiu Savin | TBA | |

Mon | Sep 23 | 14:30 | STAGE | Atticus Wang | Integrable connections | |

Mon | Sep 23 | 15:00 | European Non-Associative Algebra Seminar | Ignacio Bajo | Quadratic Lie algebras admitting 2-plectic structures | |

Mon | Sep 23 | 15:30 | Knots and representation theory | Guowei Wei | Topological deep learning: The past, present, and future | |

Mon | Sep 23 | 20:00 | Boston University Number Theory Seminar | Alexander Ivanov | TBA | |

Tue | Sep 24 | 06:00 | ANU Research School of Earth Sciences HDR seminars | Ross Chandler | Rare earth element mineralisation in Australia | |

Tue | Sep 24 | 13:00 | One World Combinatorics on Words Seminar | Luke Schaeffer | TBA | |

Tue | Sep 24 | 13:00 | Non-local operators, probability and singularities | Sergio Andraus | TBA | |

Tue | Sep 24 | 14:00 | One world IAMP mathematical physics seminar | David Mitrouskas | Low-Energy Properties of the Strongly Coupled Polaron | |

Tue | Sep 24 | 15:00 | Seminar on Biological Control Systems | Davide Salzano | In-vivo distributed multicellular control of gene expression in synthetic microbial consortia | |

Tue | Sep 24 | 17:00 | VaNTAGe | Wanlin Li | TBA | |

Tue | Sep 24 | 18:30 | NHETC Seminar | Daniel Jafferis | TBA | |

Tue | Sep 24 | 19:00 | The Graduate Center Arithmetic Geometry Seminar | TBA | TBA | |

Tue | Sep 24 | 19:00 | Harvard MIT Algebraic Geometry Seminar | Yajnaseni Dutta | TBA | |

Tue | Sep 24 | 20:30 | MIT number theory seminar | TBA | TBA | |

Wed | Sep 25 | 09:00 | AUTH HEP-TH Seminars | Sven F. Stawinski | Recursive Structure of Conformal Four-Point Integrals | |

Wed | Sep 25 | 11:15 | Gothenburg statistics seminar | Satish Iyengar | A clustering problem arising in psychiatry | |

Wed | Sep 25 | 12:00 | Virtual seminar on geometry with symmetries | Valeria Gutiérrez | Stability of (generalized) Einstein Metrics on aligned Homogeneous Spaces. | |

Wed | Sep 25 | 13:00 | ItaCa Fest 2024 | D. Stein | TBA | |

Wed | Sep 25 | 13:40 | ItaCa Fest 2024 | D. Ahman | TBA | |

Wed | Sep 25 | 14:20 | ItaCa Fest 2024 | M. Di Meglio | TBA | |

Wed | Sep 25 | 16:00 | Metagovernance Seminar | Paulo Gregory | Cohado: Designing Community Organization Strategies | |

Wed | Sep 25 | 16:20 | Geometry of differential equations seminar | Oleg Morozov | Lax representations for Euler equations of ideal hydrodynamics | |

Wed | Sep 25 | 19:00 | Harvard number theory seminar | Hélène Esnault | TBA | |

Wed | Sep 25 | 19:00 | Noncommutative Geometry in NYC | Bora Yalkinoglu | On the discrete periodic Toda flow | |

Wed | Sep 25 | 23:00 | New York City Category Theory Seminar | Noah Chrein | A formal category theory for oo-T-multicategories. | |

Thu | Sep 26 | 05:00 | ANU Research School of Earth Sciences school seminar | John Hernlund (Tokyo Institute of Technology) | If Planet=Function(Formation), what is the Function() like? How will we learn it? | |

Thu | Sep 26 | 15:00 | Number Theory Web Seminar | Jordan Ellenberg | TBA | |

Thu | Sep 26 | 17:00 | Bachelier Finance Society One World seminar series | TBA | TBA | |