Toric Poisson Ideals in Cluster Algebras

Details Toric Poisson Ideals in Cluster Algebras Toric Poisson Ideals in Cluster Algebras

2010-09-15

arxiv.org/abs/1009.2936v2

Mathematics

Representation Theory

Completely revised and shortened, the argumentation is now algebraic, not analytic

Scientific paper

This paper investigates the Poisson geometry associated to a cluster algebra over the complex numbers, and its relationship to compatible torus actions. We show, under some assumptions, that each Noetherian cluster algebra has only finitely many torus invariant Poisson prime ideals and we show how to obtain using the exchange matrix of an initial seed. In fact, these ideals are independent of the choice of compatible Poisson structure. In many interesting cases the ideals can be described more explicitly.

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