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Institution	Audience
Speaker	Edited within	hours
Affiliation	Livestream available
Date	Time

Times in UTC (now UTC +0)

Your time			Series	Speaker	Title
Fri	Sep 06	16:00	GEOTOP-A seminar	Lucile Vandembroucq	On the (higher) topological complexity of manifolds with abelian fundamental group
Fri	Sep 06	22:00	SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar	Xuefeng Liu	Rigorous evaluation of the Hadamard derivative for shape optimization problems
Sat	Sep 07	14:05	Knots, graphs and groups	Bernhard Keller	From quiver representations to cluster variables
Sun	Sep 08	23:00	World of GroupCraft IV	Jerry Shen	The complexity of the epimorphism problem with Dihedral Targets.
Sun	Sep 08	23:30	World of GroupCraft IV	João Vitor Pinto e Silva	Iterated wreath products on t.d.l.c. groups
Mon	Sep 09	00:00	World of GroupCraft IV	Matthias Fresacher	Congruence Lattices of Finite Twisted Brauer and Temperley-Lieb Monoids
Mon	Sep 09	01:00	World of GroupCraft IV	Roman Gorazd	What trees are almost Isomorphic to Cocompact trees?
Mon	Sep 09	01:30	World of GroupCraft IV	Kane Townsend	Geodetic groups are virtually free
Mon	Sep 09	02:00	World of GroupCraft IV	Joshua J Abraham	Geodetic groups and length functions
Mon	Sep 09	03:00	World of GroupCraft IV	Juhun Baik	Topological normal generation of big mapping class groups
Mon	Sep 09	03:30	World of GroupCraft IV	Sanghoon Kwak	Nonunique Ergodicity on the Boundary of Outer Space
Mon	Sep 09	04:00	World of GroupCraft IV	Donsung Lee	On the Faithfulness of the Burau Representation of $B_3$ Modulo $p$
Mon	Sep 09	05:00	World of GroupCraft IV	Kangrae Park	Fellow Traveling of Geodesics on the Modular Surface
Mon	Sep 09	05:30	World of GroupCraft IV	Victor Wu	Bass--Serre theory in a C*-algebraic context
Mon	Sep 09	06:00	World of GroupCraft IV	Takao Yuyama	Groups Whose Word Problems Are Accepted by Abelian $G$-Automata
Mon	Sep 09	07:00	World of GroupCraft IV	Pravin Kumar	Brunnian planar braid groups and Brunnian doodles
Mon	Sep 09	07:00	KIAS Strings Seminar	David Tong	Fermion-Monopole Scattering is Weird.
Mon	Sep 09	07:30	World of GroupCraft IV	Rajesh Dey	Liftability of periodic mapping classes under alternating covers
Mon	Sep 09	08:00	World of GroupCraft IV	Pankaj Kapari	Primitivity of pseudo-periodic mapping classes
Mon	Sep 09	09:00	World of GroupCraft IV	Ajay Nair	The Goldman bracket characterises the homeomorphisms between non-compact surfaces
Mon	Sep 09	09:30	World of GroupCraft IV	Bhola Nath Saha	Filling with separating curves
Mon	Sep 09	10:00	World of GroupCraft IV	Nishant Rathee	Rota–Baxter operators and skew brace structures over Heisenberg Group
Mon	Sep 09	11:00	World of GroupCraft IV	Matteo Tarocchi	Rearrangement Groups of Fractals and their Conjugacy Problem
Mon	Sep 09	11:30	World of GroupCraft IV	Dario Ascari	Isoperimetric inequalities for subgroups of products of free groups
Mon	Sep 09	12:00	World of GroupCraft IV	Inga Valentiner-Branth	Constructing high-dimensional expanders
Mon	Sep 09	13:00	World of GroupCraft IV	Elena Bogliolo	Stable commutator length of verbal wreath products
Mon	Sep 09	13:30	World of GroupCraft IV	Antonio López Neumann	On $L^p$-cohomology of semisimple groups
Mon	Sep 09	14:00	Geometric and functional inequalities and applications	Xiumin Du	Weighted refined decoupling and Falconer distance set problem
Mon	Sep 09	14:00	World of GroupCraft IV	Raad Al Kohli	A new connection between formal languages and groups
Mon	Sep 09	14:30	STAGE	Elia Gorokhovsky	Complex analytic spaces, vector bundles, and GAGA
Mon	Sep 09	15:00	European Non-Associative Algebra Seminar	Dominique Manchon	Post-Lie algebras, post-groups and Gavrilov's K-map
Mon	Sep 09	15:00	World of GroupCraft IV	Sofiya Yatsyna	TBA
Mon	Sep 09	15:30	World of GroupCraft IV	Joseph MacManus	Coarsely characterising planarity in Cayley graphs
Mon	Sep 09	15:30	Knots and representation theory	Jean-Marc Schlenker	TBA
Mon	Sep 09	16:00	World of GroupCraft IV	Penelope Azuelos	A geometric criterion for detecting virtual fiber subgroups
Mon	Sep 09	17:00	World of GroupCraft IV	Lawk Mineh	Separability of products of subgroups
Mon	Sep 09	17:30	World of GroupCraft IV	Stefanie Zbinden	Using strong contraction to obtain hyperbolicity
Mon	Sep 09	18:00	World of GroupCraft IV	Layne Hall	Recognising pseudo-Anosov flows without homotopic orbits
Mon	Sep 09	19:00	World of GroupCraft IV	Katherine Goldman	Curvature of Shephard Groups
Mon	Sep 09	19:00	Stanford algebraic geometry seminar	Alex Kuronya	Lattice polygons and finite generation of certain valuation semigroups
Mon	Sep 09	19:30	World of GroupCraft IV	Alex Rasmussen	Disintegrating curve graphs
Mon	Sep 09	20:00	World of GroupCraft IV	Maya Verma	Leighton’s Property of $X_{m,n}$
Mon	Sep 09	20:00	Boston University Number Theory Seminar	Jerson Caro	Diophantine properties for the special values of Dedekind zeta functions
Mon	Sep 09	21:00	World of GroupCraft IV	Eduardo Reyes	Approximating hyperbolic lattices by cubulations
Mon	Sep 09	21:30	World of GroupCraft IV	Roberta Shapiro	Non-hyperbolicity of large subgraphs of the fine curve graph
Mon	Sep 09	22:00	World of GroupCraft IV	Tam Cheetham-West	TBA
Tue	Sep 10	01:00	Nonlinear Analysis Seminar Series	Prof. Yoshihiro Sawano	A norm close to the $L^1$-norm
Tue	Sep 10	13:00	One World Combinatorics on Words Seminar	Jia-Yan Yao	When is an automatic number transparent?
Tue	Sep 10	14:00	One world IAMP mathematical physics seminar	Sky Cao	Global well-posedness of stochastic Abelian-Higgs in two dimensions
Tue	Sep 10	14:00	Quantum Spain	Alejandro Gómez	Towards quantum advantage on the cloud: benchmarking a 20 qubit quantum computer
Tue	Sep 10	17:00	VaNTAGe	Padma Srinivasan	Algorithms for certifying nontriviality of Ceresa cycles
Tue	Sep 10	18:30	NHETC Seminar	Hao Zhang	TBA
Tue	Sep 10	19:00	Harvard MIT Algebraic Geometry Seminar	Andres Fernandez Herrero	Decomposition theorem for the logarithmic Hitchin fibration
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	20:45	Mathematical Picture Language Seminar	Michael Freedman	What can ML learn from the proof of the Kolmogorov-Arnold theorem
Wed	Sep 11	07:30	Moscow-Beijing topology seminar	Zhengwei Liu	TBA
Wed	Sep 11	08:00	Algebra and Geometry Seminar @ HKUST	Gufang Zhao	Cousins of relative Donaldson-Thomas theory in dimension 4
Wed	Sep 11	11:30	RA Seminar	Yu Qiu	Deformed 3-Calabi-Yau categories and partial compactifications with orbifolding
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	TBA
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	TBA
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	Maths seminars at the University of Galway	Leonard Henckel	Graphical tools for selecting conditional instrumental sets
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	TBA
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	TBA	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	TBA
Mon	Sep 16	20:00	Boston University Number Theory Seminar	TBA	TBA
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	18:00	OARS Online Analysis Research Seminar	Camil Muscalu	TBA
Tue	Sep 17	19:00	Harvard MIT Algebraic Geometry Seminar	Duc Vo	TBA
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	TBA
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