Past events
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Logic Seminar - Mathieu Anel
13:00 - 14:00 15 October 2025
Speaker: Mathieu Anel (Carnegie Mellon University) Non-univalent Universes Homotopy type theory is famous for its univalence axiom on the family of all types. To give a perspective on this condition, I will talk about non-univalent families of objects! As it happens, they are quite ubiquitous, more...
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Heilbronn Algebra Seminar - Jialin Wang
13:00 - 14:00 14 October 2025
Title: Some endotrivial modules for the symmetric group Abstract: Let G be a finite group and F a field of characteristic p > 0. An FG-module M is endotrivial if HomF(M, M) \cong F \oplus P, for some projective kG-module P. One main class of indecomposable endotrivial modules is given by \Sigma_G :=...
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Manchester Number Theory Seminar - Kenji Terao
14:00 - 15:00 14 October 2025
Speaker: Kenji Terao (Warwick) Title: An introduction to modular curves Abstract: Modular curves are objects of central importance in arithmetic geometry, parametrizing elliptic curves with particular Galois representations. They form a key part of the proof of results such as Fermat's Last Theorem...
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Dynamical Systems and Analysis Seminar - Peej Ingarfield
13 October 2025 - 26 April 2026
Speaker: Peej Ingarfield (University of Manchester) Title: Dimension drop and estimating the gap Abstract: Iterated function systems (IFS) have played a key role in the study of fractals. When considering an IFS, studying what separation properties it has gives a great amount of information about the...
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Manchester Geometry Seminar - Alexei Bolsinov
14:00 - 15:00 13 October 2025
Speaker: Alexei Bolsinov (Loughborough) Title: Nijenhuis Geometry Abstract: A Nijenhuis structure on a smooth manifold is given by a field $L$ of endomorphisms with zero Nijenhuis torsion: $$ L^2[u,v] - L[Lu,v] - L[u,Lv] + [Lu, lv]=0. $$ The classical Haantjes theorem states that locally every Nijenhuis...
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