Cluster X-varieties for dual Poisson-Lie groups II

Details Cluster X-varieties for dual Poisson-Lie groups II Cluster X-varieties for dual Poisson-Lie groups II

2010-06-23

arxiv.org/abs/1006.4583v1

Mathematics

Representation Theory

Scientific paper

In the prequel of this paper, we have associated a family of cluster X-varieties to the dual Poisson-Lie group(G*,\pi_*) of (G,\pi_G) when (G,\pi_G) is a complex semi-simple Lie group of adjoint type, given with the standard Poisson structure \pi_G and \pi_* is the "dual" Poisson structure defined by the Semenov-Tian-Shansky Poisson bracket on G. We describe here the cluster combinatorics involved into the Artin group action on G* given by the De-Concini-Kac-Procesi Poisson automorphisms.

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