## Mathematics Subject Classification – MSC2010

Zeta functions, (Ruelle-Frobenius) transfer operators, and other functional analytic techniques in dynamical systems 845

Approximate trajectories (pseudotrajectories, shadowing, etc.) 515

Dynamics of group actions other than $\Bbb Z$ and $\Bbb R$, and foliations [See mainly 22Fxx, and also 57R30, 57Sxx] 989