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Subregular representations of Sln and simple singularities of type An-1. Part II

By I. (Iain) Gordon and Dmitriy Rumynin


The aim of this paper is to show that the structures on K-theory\ud used to formulate Lusztig's conjecture for subregular nilpotent sln-representations\ud are, in fact, natural in the McKay correspondence. The main result is a\ud categorification of these structures. The no-cycle algebra plays the special role\ud of a bridge between complex geometry and representation theory in positive\ud characteristic

Topics: QA
Publisher: American Mathematical Society
Year: 2004
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