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< 51Fxx | 51-XX | 51Jxx >
51-XX Geometry {For algebraic geometry, see 14-XX}
51Hxx Topological geometry
51H05   General theory
51H10   Topological linear incidence structures
51H15   Topological nonlinear incidence structures
51H20   Topological geometries on manifolds [See also 57-XX]
51H25   Geometries with differentiable structure [See also 53Cxx, 53C70]
51H30   Geometries with algebraic manifold structure [See also 14-XX]
51H99   None of the above, but in this section
< 51Fxx | 51-XX | 51Jxx >
American Mathematical Society