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Title: The Gorenstein Colength of an Artinian Local Ring
Speaker: Ananth Hariharan
Date: 24 June 2008
Time: 4:00 p.m.
Venue: LH 1, Mathematics Department

The question we are interested in is the following: Given an Artinian local ring, how ‘close’ can we get to it by an Artinian Gorenstein local ring. In this talk I will make the notion of being ‘close’ precise numerically. We will exhibit some natural bounds on this number and discuss some (old and new) results. In particular, if R is a quotient of a power series ring over a field of characteristic zero by a power of the maximal ideal, we will see how one can compute this number.

Contact: +91 (80) 2293 2711, +91 (80) 2293 2265 ;     E-mail: chair.math[at]iisc[dot]ac[dot]in
Last updated: 24 Mar 2023