Mathematics Subject Classification 1991

05-XX Combinatorics, {For finite fields, See 11Txx} ( 0 Dok.)

• 05-00 General reference works (handbooks, dictionaries, bibliographies, etc.) ( 0 Dok.)
• 05-01 Instructional exposition (textbooks, tutorial papers, etc.) ( 0 Dok.)
• 05-02 Research exposition (monographs, survey articles) ( 0 Dok.)
• 05-03 Historical (must be assigned at least one classification number from Section 01) ( 0 Dok.)
• 05-04 Explicit machine computation and programs (not the theory of computation or programming) ( 0 Dok.)
• 05-06 Proceedings, conferences, collections, etc. ( 0 Dok.)
• 05Axx Classical combinatorial problems ( 0 Dok. )
• 05A05 Combinatorial choice problems (subsets, representatives, permutations) ( 0 Dok.)
• 05A10 Factorials, binomial coefficients, combinatorial functions, See also {11B65, 33Cxx} ( 0 Dok.)
• 05A15 Exact enumeration problems, generating functions, See Also {33Cxx, 33Dxx} ( 0 Dok.)
• 05A16 Asymptotic enumeration ( 0 Dok.)
• 05A17 Partitions of integers, See also {11P81, 11P82, 11P83} ( 0 Dok.)
• 05A18 Partitions of sets ( 0 Dok.)
• 05A19 Combinatorial identities ( 0 Dok.)
• 05A20 Combinatorial inequalities ( 0 Dok.)
• 05A30 $q$-calculus and related topics, See also {03Dxx} ( 0 Dok.)
• 05A40 Umbral calculus ( 0 Dok.)
• 05A99 None of the above but in this section ( 0 Dok.)
• 05Bxx Designs and configurations, {For applications of design theory, See 94C30} ( 0 Dok. )
• 05B05 Block designs, See also {51E05, 62K10} ( 0 Dok.)
• 05B07 Triple systems ( 0 Dok.)
• 05B10 Difference sets (number-theoretic, group-theoretic, etc.), See also {11B13} ( 0 Dok.)
• 05B15 Orthogonal arrays, Latin squares, Room squares ( 0 Dok.)
• 05B20 Matrices (incidence, Hadamard, etc.) ( 0 Dok.)
• 05B25 Finite geometries, See also {51D20, 51Exx} ( 0 Dok.)
• 05B30 Other designs, configurations, See also {51E30} ( 0 Dok.)
• 05B35 Matroids, geometric lattices, See also {52B40, 90C27} ( 0 Dok.)
• 05B40 Packing and covering, See also {11H31, 52C15, 52C17} ( 0 Dok.)
• 05B45 Tessellation and tiling problems, See also {52C20, 52C22} ( 0 Dok.)
• 05B50 Polyominoes ( 0 Dok.)
• 05B99 None of the above but in this section ( 0 Dok.)
• 05Cxx Graph theory, {For applications of graphs, See 68Q90, 68R10, 90C35, 94C15} ( 0 Dok. )
• 05C05 Trees ( 0 Dok.)
• 05C10 Topological graph theory, imbedding, See also {57M15, 57M25} ( 0 Dok.)
• 05C12 Distance in graphs ( 0 Dok.)
• 05C15 Chromatic theory of graphs and maps ( 0 Dok.)
• 05C20 Directed graphs (digraphs), tournaments ( 0 Dok.)
• 05C25 Graphs and groups, See also {20F32} ( 0 Dok.)
• 05C30 Enumeration of graphs and maps ( 0 Dok.)
• 05C35 Extremal problems, See also {90C35} ( 0 Dok.)
• 05C38 Paths and cycles, See also {90B10} ( 0 Dok.)
• 05C40 Connectivity ( 0 Dok.)
• 05C45 Eulerian and Hamiltonian graphs ( 0 Dok.)
• 05C50 Graphs and matrices ( 0 Dok.)
• 05C55 Generalized Ramsey theory ( 0 Dok.)
• 05C60 Isomorphism problems (reconstruction conjecture, perfect graphs, etc.) ( 0 Dok.)
• 05C65 Hypergraphs ( 0 Dok.)
• 05C70 Factorization, matching, covering and packing ( 0 Dok.)
• 05C75 Structural characterization of types of graphs ( 0 Dok.)
• 05C78 Graph labelling (graceful graphs, bandwidth, etc.) ( 0 Dok.)
• 05C80 Random graphs ( 0 Dok.)
• 05C85 Graph algorithms, See also {68Q20, 68R10} ( 0 Dok.)
• 05C90 Applications ( 0 Dok.)
• 05C99 None of the above but in this section ( 0 Dok.)
• 05Dxx Extremal combinatorics ( 0 Dok. )
• 05D05 Extremal set theory ( 0 Dok.)
• 05D10 Ramsey theory ( 0 Dok.)
• 05D15 Transversal (matching) theory ( 0 Dok.)
• 05D99 None of the above but in this section ( 0 Dok.)
• 05Exx Algebraic combinatorics ( 0 Dok. )
• 05E05 Symmetric functions ( 0 Dok.)
• 05E10 Tableaux, representations of the symmetric group, See also {20C30} ( 0 Dok.)
• 05E15 Combinatorial problems concerning the classical groups, See also {22E45, 33C80} ( 0 Dok.)
• 05E20 Group actions on designs, geometries and codes ( 0 Dok.)
• 05E25 Group actions on posets and homology groups of posets, See also {06A09} ( 0 Dok.)
• 05E30 Association schemes, strongly regular graphs ( 0 Dok.)
• 05E35 Orthogonal polynomials, See also {33C45, 33C50, 33D45} ( 0 Dok.)
• 05E99 None of the above but in this section ( 0 Dok.)