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]
(3)
- 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
