## Mathematics Subject Classification – MSC2020

History of nonassociative rings and algebras [Consider also classification numbers pertaining to Section 01-XX] 70

History of topological groups [Consider also classification numbers pertaining to Section 01-XX] 159

Topological and differentiable algebraic systems {For topological rings and fields, see 12Jxx, 13Jxx, 16W80} 6079

Representations of Lie and linear algebraic groups over real fields: analytic methods {For the purely algebraic theory, see 20G05} 2274

General theory of group and pseudogroup actions {For topological properties of spaces with an action, see 57S20} 219

Homogeneous spaces {For general actions on manifolds or preserving geometrical structures, see 57M60, 57Sxx; for discrete subgroups of Lie groups, see especially 22E40} 334

Computer science {For papers containing software, source code, etc. in a specific mathematical area, see the classification number -04 in that area} 362177

Algorithms in computer science {For numerical algorithms, see 65-XX; for combinatorics and graph theory, see 05C85, 68Rxx} 48653