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On the blocks of [Sfr ] over a field of characteristic three

Published online by Cambridge University Press:  26 July 2002

MATTHEW FAYERS
MATTHEW FAYERS
Affiliation:
Trinity College, Cambridge CB2 1TQ.
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Abstract

In [16] and [17], Tan looks at the principal blocks of the symmetric groups [Sfr ]9, [Sfr ]10, [Sfr ]11, [Sfr ]12 over a field of characteristic three, and highlights the contrast with blocks of small abelian defect. Here we continue by determining the Ext-quivers of the blocks of [Sfr ]13 over the same field; this in particular provides examples of a [4:1]-pair and a [3:2]-pair with non-abelian defect.

Information

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 133 , Issue 1 , July 2002 , pp. 1 - 29
Copyright
2002 Cambridge Philosophical Society

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