55M05 Duality
55M10 Dimension theory, See also {54F45}
55M15 Absolute neighborhood retracts, See also {54C55}
55M20 Fixed points and coincidences, See also {54H25}
55M25 Degree, winding number
55M30 Ljusternik-Schnirelman (Lyusternik-Shnirelman)
category of a space
55M35 Finite groups of transformations (including Smith theory),
See also {57S17}
55M99 None of the above but in this section