Mutation of friezes
Mutation of friezes
复制标题
饰带突变
DOI:
10.1016/j.bulsci.2017.09.004
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发表时间:
2016
影响因子:
1.3
通讯作者:
G. Todorov
中科院分区:
文献类型:
--
作者:
K. Baur;Eleonore Faber;Sira Gratz;K. Serhiyenko;G. Todorov
We study mutations of Conway–Coxeter friezes which are compatible with mutations of cluster-tilting objects in the associated cluster category of Dynkin typeA. More precisely, we provide a formula, relying solely on the shape of the frieze, describing how each individual entry in the frieze changes under cluster mutation. We observe how the frieze can be divided into four distinct regions, relative to the entry at which we want to mutate, where any two entries in the same region obey the same mutation rule. Moreover, we provide a combinatorial formula for the number of submodules of a string module, and with that a simple way to compute the frieze associated to a fixed cluster-tilting object in a cluster category of Dynkin typeAin the sense of Caldero and Chapoton.
DOI:
10.48550/arxiv.1608.06568
发表时间:
2016
期刊:
arXiv e-prints
影响因子:
--
作者:
Canakci Ilke
通讯作者:
Canakci Ilke