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< 51Exx | 51-XX | 51Gxx >
51-XX Geometry {For algebraic geometry, see 14-XX}
51Fxx Metric geometry
51F05   Absolute planes
51F10   Absolute spaces
51F15   Reflection groups, reflection geometries [See also 20H10, 20H15; for Coxeter groups, see 20F55]
51F20   Congruence and orthogonality [See also 20H05]
51F25   Orthogonal and unitary groups [See also 20H05]
51F99   None of the above, but in this section
< 51Exx | 51-XX | 51Gxx >
American Mathematical Society