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author:

Lin, Y.N. (Lin, Y.N..) [1] | Tang, L.D. (Tang, L.D..) [2]

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Abstract:

For any n ≥ 3, let R(n) denote the root category of finite-dimensional nilpotent representations of cyclic quiver with n vertices. In the present paper, we prove that R(n - 1) is triangle-equivalent to the subcategory of fixed points of certain left (or right) mutation in R(n). As an application, it is shown that the affine Kac-Moody algebra of type Ãn-2 is isomorphic to a Lie subalgebra of the Kac-Moody algebra of type Ãn-1. © 2010 Science China Press and Springer-Verlag Berlin Heidelberg.

Keyword:

Lie algebra; Root category; Subcategory of fixed points

Community:

  • [ 1 ] [Lin, Y.N.]School of Mathematical Sciences, Xiamen University, Xiamen 361005, China
  • [ 2 ] [Tang, L.D.]School of Mathematical Sciences, Xiamen University, Xiamen 361005, China
  • [ 3 ] [Tang, L.D.]College of Mathematics and Computer Science, Fuzhou University, Fuzhou 350108, China

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Source :

Science China Mathematics

ISSN: 1674-7283

Year: 2010

Issue: 12

Volume: 53

Page: 3057-3066

1 . 4 0 0

JCR@2023

JCR Journal Grade:4

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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