## Mathematics Subject Classification – MSC2020

History of dynamical systems and ergodic theory [Consider also classification numbers pertaining to Section 01-XX] 255

Ergodic theorems, spectral theory, Markov operators {For operator ergodic theory, see mainly 47A35} 1739

Approximation methods and numerical treatment of dynamical systems {For numerical analysis, see also 65Pxx; for software etc., see 37-04} 5232

Difference equations {For dynamic equations on time scales, see 34N05; for dynamical systems, see 37-XX} 19908

Mechanics of particles and systems {For relativistic mechanics, see 83A05, 83C10; for statistical mechanics, see 82-XX} 65888