MSC results for "57"

**57-00**(1973-now) General reference works (handbooks, dictionaries, bibliographies, etc.)

**57-01**(1973-now) Instructional exposition (textbooks, tutorial papers, etc.)

**57-02**(1973-now) Research exposition (monographs, survey articles)

**57-03**(1973-now) Historical (must also be assigned at least one classification number from Section 01)

**57-04**(1980-now) Explicit machine computation and programs (not the theory of computation or programming)

**57-06**(1973-now) Proceedings, conferences, collections, etc.

**57A**(1973-1979) Topological manifolds

**57D**(1973-1979) Differential topology [For foundational questions of differentiable manifolds, see 58Axx; for infinite-dimensional manifolds, see 58Bxx.]

**57F**(1973-1979) Homology and homotopy of topological groups and related structures

**57M**(1980-now) Low-dimensional topology

**57N**(1980-now) Topological manifolds

**57Q**(1980-now) PL-topology

**57R**(1980-now) Differential topology [For foundational questions of differentiable manifolds, see 58Axx; for infinite-dimensional manifolds, see 58Bxx]

**57T**(1980-now) Homology and homotopy of topological groups and related structures

**57.00**(1959-1972) General

**57.05**(1959-1972) Geometric topology

**57.10**(1959-1972) Differentiable structures, cobordism

**57.20**(1959-1972) Differentiable mappings, imbeddings, immersions, diffeomorphisms [See also 53.40, 55.50]

**57.32**(1959-1972) Characteristic classes

**57.34**(1959-1972) Topology of vector and tensor fields

**57.40**(1959-1972) Topology of Lie groups

**57.48**(1959-1972) Differentiable dynamical systems

**57.55**(1959-1972) Infinite-dimensional manifolds

**57.70**(1959-1972) Infinite Lie groups, deformations

**57.99**(1959-1972) None of the above, but in this section