Definition:Period of Logical Matrix
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Definition
Let $\mathbf A = \sqbrk a_k$ be a logical matrix.
The period of $\mathbf A$ is defined as:
- $\gcd \set {n \in \Z: b_{i, i} > 0 \text { for } \forall i \in \closedint 1 k \text{ where } \sqbrk b := {\mathbf A}^n}$
where $\gcd$ denotes the greatest common divisor.
Sources
- 1990: William Parry and Mark Pollicott: Zeta Functions and the Periodic Orbit Structure of Hyperbolic Dynamics: Chapter $1$: Subshifts of Finite Type and Function Spaces