Title

Universal Deformation Rings and Tame Blocks

Document Type

Article

Publication Date

2014

Department

Mathematics

Language

English

Publication Title

Journal of Algebra

Abstract

Let k be an algebraically closed field of positive characteristic, and let G be a finite group. Suppose B is a block of kG of infinite tame representation type. We find all finitely generated kG-modules V that belong to B and whose endomorphism ring is isomorphic to k and determine the universal deformation ring R(G,V) for each of these modules.

Comments

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DOI

10.1016/j.jalgebra.2014.05.002

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