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Notes on Coxeter Transformations and the McKay Correspondence

Notes on Coxeter Transformations and the McKay Correspondence

Paperback

Series: Springer Monographs in Mathematics

AlgebraCalculusGeneral Mathematics

ISBN10: 3642096042
ISBN13: 9783642096044
Publisher: Springer
Published: Nov 30 2010
Pages: 240
Weight: 0.81
Height: 0.55 Width: 6.14 Depth: 9.21
Language: English

One of the beautiful results in the representation theory of the finite groups is McKay's theorem on a correspondence between representations of the binary polyhedral group of SU(2) and vertices of an extended simply-laced Dynkin diagram.

The Coxeter transformation is the main tool in the proof of the McKay correspondence, and is closely interrelated with the Cartan matrix and Poincaré series. The Coxeter functors constructed by Bernstein, Gelfand and Ponomarev plays a distinguished role in the representation theory of quivers.

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Algebra