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< 05Axx | 05-XX | 05Cxx >
05-XX Combinatorics {For finite fields, see 11Txx}
05Bxx Designs and configurations {For applications of design theory, see 94C30}
05B05   Block designs [See also 51E05, 62K10]
05B07   Triple systems
05B10   Difference sets (number-theoretic, group-theoretic, etc.) [See also 11B13]
05B15   Orthogonal arrays, Latin squares, Room squares
05B20   Matrices (incidence, Hadamard, etc.)
05B25   Finite geometries [See also 51D20, 51Exx]
05B30   Other designs, configurations [See also 51E30]
05B35   Matroids, geometric lattices [See also 52B40, 90C27]
05B40   Packing and covering [See also 11H31, 52C15, 52C17]
05B45   Tessellation and tiling problems [See also 52C20, 52C22]
05B50   Polyominoes
05B99   None of the above, but in this section
< 05Axx | 05-XX | 05Cxx >
American Mathematical Society