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INDETERMINATES AND INCIDENCE MATRICES by H J RYSER
Constructions and uses of pairwise
On transversal designs
26 other sections not shown
2-transitive 3-design abelian adjacent affine space algebra antichains association scheme assume automorphism group Combinatorial Theory condition contains defined DEMBOWSKI denote difference set divisor doubly transitive edges elements equation equivalent ERDOS example exists finite nearaffine space fixed G is transitive Gauss sum geometry GF(q given graph group G Hadamard Hadamard matrix Hence holds hypergraph hyperplane implies incidence matrix intersection invariant irreducible isomorphic J.H. VAN LINT k-families KANTOR KLEITMAN lattice lemma linear Math maximal multiplicities N.J.A. SLOANE normal subgroup number of points obtain orbits pairs parameters partially ordered partition perfect codes polynomial positive integers primitive problem projective plane projective space proof proposition proved RAMSEY's theorem rank relation result satisfying self-dual code Sperner straight lines subdegrees subgraph suborbit subsets subspace Suppose symmetric designs theorem 2.1 transitive groups vector vertex vertices weight enumerator WIELANDT