## Mathematical Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 14

Instructional exposition (textbooks, tutorial papers, etc.) 326

Research exposition (monographs, survey articles) 435

Explicit machine computation and programs (not the theory of computation or programming) 110

Ljusternik-Schnirelman (Lyusternik-Shnirel’man) category of a space 604

Generalized (extraordinary) homology and cohomology theories 985

Spectra with additional structure ($E_\infty$, $A_\infty$, ring spectra, etc.) 219

Stable classes of vector space bundles, $K$-theory [See also 19Lxx] [For algebraic $K$-theory, see 18F25, 19-XX] 498