Manchester Algebra Seminar - Konstantinos Karagiannis
| Dates: | 10 May 2022 |
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| Times: | 13:00 - 14:00 |
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| What is it: | Seminar |
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| Organiser: | Department of Mathematics |
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| Who is it for: | University staff, Current University students |
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Speaker: Konstantinos Karagiannis - Manchester
Title: Finite group actions on algebraic curves
Abstract: In this talk I will discuss how questions arising in classic (ordinary, modular or integral) representation theory, such as decomposing a representation into indecomposable summands or lifting an action from prime to zero characteristic, can be generalized to the context of algebraic geometry. I will present past and on-going work on finite groups actions on projective curves, on canonical rings or, more generally, on sheaf cohomology; every effort will be made to avoid geometric technicalities and to focus on algebraic techniques. Time permitting, I will discuss applications related to Green's syzygy conjecture, deformation theory, Galois modules and normal integral bases.
- subject to equipment and connection
Tea and biscuits 12:45 in the foyer
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Frank Adams
Alan Turing Building
Manchester
GB
