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Manchester Algebra Seminar - Markus Linckelmann - On degree -1 operators in cohomology

Dates:10 March 2020
Times:14:00 - 15:00
What is it:Seminar
Organiser:Department of Mathematics
Who is it for:University staff, Current University students
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  • Department of Mathematics

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  • In group "(Maths) Algebra"
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Speaker: Markus Linckelmann

Title: On degree -1 operators in cohomology

Abstract: We describe an elementary construction principle for operators of degree -1 on Ext-spaces of modules. We apply this to finite group cohomology, and describe in particular the BV operator on the Hochschild cohomology of a finite group algebra in terms of this construction principle. We use this to calculate the Lie algebra structure of the first Hochschild cohomology of certain finite p-group algebras. This is joint work with Radha Kessar and Dave Benson.

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Time: 2pm

Place: FA1

There will be tea and biscuits at 1:45. All are welcome.

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Frank Adams 1 (FA1)
Alan Turing Building
Manchester

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Kieran Calvert

kieran.calvert@manchester.ac.uk

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