A generalization of the matrix equation A2 = J

Computational Problems in Abstract Algebra

Harold Chapman Brown, John Leech · Mathematics of Computation · 1971 · 593 citations

Natural Sciences, Computer Science, Mathematics +6

On Moore Graphs with Diameters 2 and 3

Alan J. Hoffman, Robert R. Singleton · IBM Journal of Research and Development · 1960 · 498 citations

Natural Sciences, Computer Science, Mathematics +8

Strongly regular graphs with (—1,1,0) adjacency matrix having eigenvalue 3

J.J. Seidel · Linear Algebra and its Applications · 1968 · 170 citations

Natural Sciences, Visualization, Complex Systems +6

Research problems

Journal of Combinatorial Theory · 1967 · 106 citations

Combinatorial designs and related systems

William Bridges, H. J. Ryser · Journal of Algebra · 1969 · 58 citations

Natural Sciences, Mathematics, Systems Engineering +13