## Mathematics Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 12

Instructional exposition (textbooks, tutorial papers, etc.) 466

Research exposition (monographs, survey articles) 975

Explicit machine computation and programs (not the theory of computation or programming) 82

Exterior differential systems (Cartan theory) 847

Vector distributions (subbundles of the tangent bundles) 826

Noncommutative geometry (à la Connes) 1126

Spaces and manifolds of mappings (including nonlinear versions of 46Exx) [See also 46Txx, 53Cxx] 4990

Manifolds of metrics (esp. Riemannian) 418

Applications (in quantum mechanics (Feynman path integrals), relativity, fluid dynamics, etc.) 835

Abstract critical point theory (Morse theory, Ljusternik-Schnirelman (Lyusternik-Shnirel’man) theory, etc.) 4058

Applications to the theory of geodesics (problems in one independent variable) 725

Variational inequalities (global problems) 490

Cohomology of classifying spaces for pseudogroup structures (Spencer, Gelfand-Fuks, etc.) [See also 57R32] 218

Relations with special manifold structures (Riemannian, Finsler, etc.) 1460