20E06 Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations 2524

20Gxx Linear algebraic groups and related topics {For arithmetic theory, see 11E57, 11H56; for geometric theory, see 14Lxx, 22Exx; for other methods in representation theory, see 15A30, 22E45, 22E46, 22E47, 22E50, 22E55} 15341

20G42 Quantum groups (quantized function algebras) and their representations [See also 16T20, 17B37, 81R50] 611