On coloring j-unit sphere graphs / René PeetersOn the p-ranks of latin square graphs / René PeetersOrthogonal representations over finite fields and the chromatic number of graphs / René PeetersUniqueness of strongly regular graphs having minimal p-rank / René PeetersStrongly regular graphs that are locally a disjoint union of hexagons / René PeetersOn the p-ranks of the adjacency matrices of distance-regular graphs / René PeetersOn the p-ranks of the adjacency matrices of distance-regular graphs / René PeetersRanks and structure of graphs / Marinus Johannes Petrus PeetersThe maximum edge biclique problem is NP-complete / René PeetersThe maximum edge biclique problem is NP-complete / René Peeters