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54Axx Generalities {Info & Stats}

  • 54A05 Topological spaces and generalizations (closure spaces, etc.)
  • 54A10 Several topologies on one set (change of topology, comparison of topologies, lattices of topologies)
  • 54A15 Syntopogeneous structures
  • 54A20 Convergence in general topology (sequences, filters, limits, convergence spaces, etc.)
  • 54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets) [See also 03Exx] {For ultrafilters, see 54D80}
  • 54A35 Consistency and independence results [See also 03E35]
  • 54A40 Fuzzy topology [See also 03E72]
  • 54A99 None of the above, but in this section