## Mathematics Subject Classification – MSC2010

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

Instructional exposition (textbooks, tutorial papers, etc.) 470

Research exposition (monographs, survey articles) 985

Explicit machine computation and programs (not the theory of computation or programming) 83

Exterior differential systems (Cartan theory) 876

Vector distributions (subbundles of the tangent bundles) 845

Noncommutative geometry (à la Connes) 1175

Spaces and manifolds of mappings (including nonlinear versions of 46Exx) [See also 46Txx, 53Cxx] 5098

Manifolds of metrics (esp. Riemannian) 438

Applications (in quantum mechanics (Feynman path integrals), relativity, fluid dynamics, etc.) 846

Abstract critical point theory (Morse theory, Ljusternik-Schnirelman (Lyusternik-Shnirel’man) theory, etc.) 4171

Applications to the theory of geodesics (problems in one independent variable) 738

Variational inequalities (global problems) 512

Cohomology of classifying spaces for pseudogroup structures (Spencer, Gelfand-Fuks, etc.) [See also 57R32] 219

Relations with special manifold structures (Riemannian, Finsler, etc.) 1488