20F10 Word problems, other decision problems, connections with logic and automata (group-theoretic aspects) [See also 03B25, 03D05, 03D40, 06B25, 08A50, 20M05, 68Q70] 2568

20F34 Fundamental groups and their automorphisms (group-theoretic aspects) [See also 57M05, 57Sxx] 933