The largest intersection lattice of a discriminantal arrangement.
The many formulae for the number of Latin rectangles.
The Mathieu group and its pseudogroup extension .
The maximum number of odd submatrices in -matrices.
The maximum size of a partial spread in is .
The middle graph of a hypergraph
The minimal perimeter for confined deformable bubbles of equal area.
The minimum rank problem over finite fields.
The Moore-Penrose inverse of a free matrix.
The nonexistence of certain projective planes of order 15.
The nonexistence of regular near octagons with parameters .
The number of inequivalent optimal covering codes.
The number of knight's tours equals 33, 439, 123, 484, 294—counting with binary decision diagrams.
The number of orthogonal Latin squares
The Order of Points on the Second Convex Hull of a Simple Polygon.
The prime power conjecture is true for .
The problem of kings.
The problem of the kings.
The shape of a typical boxed plane partition.
The simple 7-(33, 8, 10)-designs with automorphism group P-Gamma-L(2, 23).