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paper

Non-simply-laced Clusters of Finite Type via Frobenius Morphism

arXiv:math/0608114

Abstract

By showing the compatibility of folding almost positive roots and folding cluster categories, we prove that there is a one-to-one correspondence between seeds and tilting seeds in non-simply-laced finite cases.

15pages, also available at http://learn.tsinghua.edu.cn:8080/2002315664/dyang.htm