## Mathematics Subject Classification – MSC2010

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

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

Research exposition (monographs, survey articles) 872

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

Topology of $E^n$, $n$-manifolds ($4<n<\infty$) 1105

Differential topology [For foundational questions of differentiable manifolds, see 58Axx; for infinite-dimensional manifolds, see 58Bxx] 19460

Specialized structures on manifolds (spin manifolds, framed manifolds, etc.) 820