Finite order automorphisms and dimension groups of Cantor minimal systems
Finite order automorphisms and dimension groups of Cantor minimal systems
复制标题
康托极小系统的有限阶自同构和维数群
DOI:
--
复制
发表时间:
2001
期刊:
影响因子:
--
通讯作者:
松井 宏樹
中科院分区:
文献类型:
--
作者:
松井 宏樹
We compute the dimension group of the skew product extension of a Cantor minimal system associated with a finite group valued cocycle. Using it, we study finite subgroups in the commutant group of a Cantor minimal system and prove that a finite subgroup of the kernel of the mod map must be cyclic. Moreover, we give a certain obstruction for finite subgroups of commutant groups to have nonzero intersection to the kernel of mod maps. We also give a necessary and sufficient condition for dimension groups so that the kernel of the mod map can include a finite order element.
影响因子:
0.9
作者:
Richard Gjerde;Ø. Johansen
通讯作者:
Richard Gjerde;Ø. Johansen