## Mathematics Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 18

Instructional exposition (textbooks, tutorial papers, etc.) 386

Research exposition (monographs, survey articles) 869

Explicit machine computation and programs (not the theory of computation or programming) 128

Topology of $E^n$, $n$-manifolds ($4<n<\infty$) 1103

Differential topology [For foundational questions of differentiable manifolds, see 58Axx; for infinite-dimensional manifolds, see 58Bxx] 19429

Specialized structures on manifolds (spin manifolds, framed manifolds, etc.) 818