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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.
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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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