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Quadratic Extensions of Cyclic Planes
On Homomorphisms of Projective Planes
Finite Division Algebras and Finite Planes
19 other sections not shown
a-array algorithm Amer assume blocks burst n-tuples central collineation coefficients collineation group combinatorial problems complete computation condition congruence constraints contains corresponding cyclic D. R. Fulkerson Dantzig defined denote Desarguesian determined difference set digits discussion distinct division algebra doubly stochastic matrix elements encoding equality holds equivalent exists finite projective plane formula Fulkerson functional equation given graph Hence implies incidence matrix integers isomorphic isotope latin squares Lemma linear inequalities linear programming machine marks Math maximal method minimal modulo multiplier n-sets n-tuples nodes nonnegative nonsingular obtained optimal orthogonal pair partially ordered set path permutation permutation matrices pivot planar ternary ring points possible prime proof proved quadratic result route Ryser satisfying sequence solution Steiner triple system submatrix subset Suppose technique Theorem theory transformations transitive unimodular property values variables vector