Periodicity of Y-systems

수학노트
imported>Pythagoras0님의 2015년 3월 17일 (화) 14:37 판
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introduction

  • periodicity (Keller) : $Y_{\mathbf{i}}(u+2(h+h'))=Y_{\mathbf{i}}(u)$
  • half-periodicity : $Y_{\mathbf{i}}(u+(h+h'))=Y_{\sigma(\mathbf{i})}(u)$ where $\sigma$ is the involution of the pair of Dynkin diagram


expositions


articles

  • Muller, Greg. “The Existence of a Maximal Green Sequence Is Not Invariant under Quiver Mutation.” arXiv:1503.04675 [math], March 16, 2015. http://arxiv.org/abs/1503.04675.