05Axx

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05Axx Enumerative combinatorics {For enumeration in graph theory, see 05C30} {Info & Stats}


  • 05A05 Combinatorial choice problems (subsets, representatives, permutations)Permutations, words, matrices
  • 05A10 Factorials, binomial coefficients, combinatorial functions [See also 11B65, 33Cxx]
  • 05A15 Exact enumeration problems, generating functions [See also 33Cxx, 33Dxx]
  • 05A16 Asymptotic enumeration
  • 05A17 Partitions of integers [See also 11P81, 11P82, 11P83]
  • 05A18 Partitions of sets
  • 05A19 Combinatorial identities, bijective combinatorics
  • 05A20 Combinatorial inequalities
  • 05A30 $q$-calculus and related topics [See also 03Dxx33Dxx]
  • 05A40 Umbral calculus
  • 05A99 None of the above, but in this section