We prove a conjecture of Cohn and Propp, which refines a conjecture of Bosley and Fidkowski about the symmetry of the set of alternating sign matrices (ASMs). We examine data aris...
—A length n group code over a group G is a subgroup of Gn under component-wise group operation. Group codes over dihedral groups DM, with 2M elements, that are two-level construc...
New (96, 20, 4)-symmetric design has been constructed, unique under the assumption of an automorphism group of order 576 action. The correspondence between a (96, 20, 4)-symmetric ...