zuivere wiskunde

A ( 57, 14, 1) strongly regular graph does not exist / H.A. Wilbrink & A.E. Brouwerschema:ProductModel A (14, 6, 7) less thanʺ 52 or the nonexistence of a certain constant weight code / W. G. Valiantschema:ProductModel A characterization of the classical unitals / H. Wilbrinkschema:ProductModel A computer program for PTQ and its logical reduction rules / T. M. V. Janssenschema:ProductModel A connected metric space without nontrivial open connected subspaces / A. E. Brouwerschema:ProductModel A generalization of Baranyai's theorem / A. E. Brouwerschema:ProductModel A generalization of descartes' rule / M. Voorhoeve.schema:ProductModel A group-divisible design GD(4,1,2;n) exists iff $n \equiv 2$ (mod 6), $n \not 8$ (or: the packing of cocktail party graphs with $K_4$'s)schema:ProductModel A lower bound for the length of partial transversals in a Latin square / A. E. Brouwer, A. J. de Vries & R. M. A. Wieringaschema:ProductModel A lower bound for the permanents of certain (0,1)-matrices / M. Voorhoeveschema:ProductModel A new 5-design / A. E. Brouwerschema:ProductModel A note on certain oscillating sums / A. E. Brouwer & J. van de Luneschema:ProductModel A note on compactifications of g-spaces / J. de Vriesschema:ProductModel A note on perfect mixed Lee codes and finite abelian groups / E. Wattelschema:ProductModel A note on the partial sums of zèta (s) (II) / J. van de Lune & H. J. J. te Rieleschema:ProductModel A note on the partical sums of zeta (S), III / J. van de Lune & H. J. J. te Rieleschema:ProductModel A note on the solvability of the diophantine equation $1^n + 2^n + ... + m^n = G(m+1)^n$schema:ProductModel A precise definition of separation of variables / T. H. Koornwinderschema:ProductModel A topological property of supercompact Hausdorff spaces / J. van Millschema:ProductModel A(17,6,4) = 20 or the nonexistence of the scarce design SD(4,1;17,21) / A. E. Brouwerschema:ProductModel ... show all 108