马尔科夫-戴克位移的Zeta函数和拓扑熵
Zeta functions and topological entropy of the Markov-Dyck shifts
摘要:
Markov-Dyck移位产生于有限有向图。给出了马尔可夫-戴克位移的zeta函数的表达式。该表达式的推导基于Keller(G. Keller,{ \it Circular codes,loop counting,and zeta-functions},J. Combinatorial Theory { \bf 56}(1991),pp. 75- 83)。对于一类包含Fibonacci-Dyck位移的例子,我们确定了zeta函数和拓扑熵。
英文摘要:
The Markov-Dyck shifts arise from finite directed graphs. An expression for the zeta function of a Markov-Dyck shift is given. The derivation of this expression is based on a formula in Keller (G. Keller, {\it Circular codes, loop counting, and zeta-functions}, J. Combinatorial Theory {\bf 56} (1991), pp. 75--83). For a class of examples that includes the Fibonacci-Dyck shift the zeta functions and topological entropy ae determined.
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