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Manchester Algebra Seminar - Simon May

Dates:11 October 2022
Times:13:00 - 14:00
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 category "Seminar"
  • In group "(Maths) Algebra"
  • In group "(Maths) Maths seminar series"
  • By Department of Mathematics

Speaker: Simon May - Leeds

Title: A non-commutative resolution for discriminants of complex reflection groups.

Abstract: In this talk I will introduce the complex reflection groups $G(m,p,2)$ in the Shephard--Todd classification and show that it's hyperplane arrangement gives rise to a non-commutative resolution of the groups discriminant. In particular we use matrix factorizations to show that all the Cohen-Macaulay modules over the (co-ordinate ring of the) discriminant appear in the decomposition of the (co-ordinate ring of the) hyperplane arrangement

We remark on connections to the Mckay correspondence, and focus on the work of Buchweitz, Faber, Ingalls who expand the classical Mckay correspondence to true reflection groups.

Place: Frank Adams (this term the seminar will not be streamed online)

Tea and biscuits 12:45 in the foyer

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Frank Adams
Alan Turing Building
Manchester

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Kieran Calvert

kieran.calvert@manchester.ac.uk

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