## Mathematical Subject Classification – MSC2010

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

Instructional exposition (textbooks, tutorial papers, etc.) 435

Research exposition (monographs, survey articles) 922

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

Exterior differential systems (Cartan theory) 778

Vector distributions (subbundles of the tangent bundles) 768

Noncommutative geometry (à la Connes) 948

Spaces and manifolds of mappings (including nonlinear versions of 46Exx) [See also 46Txx, 53Cxx] 4635

Manifolds of metrics (esp. Riemannian) 351

Applications (in quantum mechanics (Feynman path integrals), relativity, fluid dynamics, etc.) 813

Abstract critical point theory (Morse theory, Ljusternik-Schnirelman (Lyusternik-Shnirel’man) theory, etc.) 3650

Applications to the theory of geodesics (problems in one independent variable) 657

Variational inequalities (global problems) 437

Cohomology of classifying spaces for pseudogroup structures (Spencer, Gelfand-Fuks, etc.) [See also 57R32] 204

Relations with special manifold structures (Riemannian, Finsler, etc.) 1357