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Seminar

Hochschild homology, Grothendieck duality, and Brown representability (COMMA) March 20, 2013 (02:00 PM PDT - 03:00 PM PDT)
Location: MSRI: Simons Auditorium
Speaker(s) Amnon Neeman (Australian National University)
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In a 2008 paper, Avramov and Iyengar studied Cohen-Macaulay and Gorenstein morphisms and characterized them in terms of invariants from Hochschild(co)homology.
The invariants in question turned out to be related to Grothendieck duality, and in a 2010 paper Avramov, Iyengar, Lipman and Nayak pursued the ideas to prove reduction formulas for the Hochschild (co)homology groups in question. In this talk, we will discuss a new approach to the problem, based on Brown representability.

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