2 problems

Let $\sigma$ be the permutation of eigenmode indices generated by a cyclic pumping process with parameters $a$ and $\tilde a$. A periodic orbit is an orbit that returns to its init…

Let $\sigma:\mathbb{N}\rightarrow\mathbb{N}$ be the permutation of eigenmode indices induced by a cyclic pumping process determined by parameters $a$ and $\tilde a$. An initial con…