Quadrangularity in Tournaments

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dc.creatorLundgren, J. Richard
dc.creatorSeverini, Simone
dc.creatorStewart, Dustin J.
dc.date2004-04-18
dc.date.accessioned2026-07-07T05:07:32Z
dc.date.available2026-07-07T05:07:32Z
dc.descriptionThe pattern of a matrix M is a (0,1)-matrix which replaces all non-zero entries of M with a 1. There are several contexts in which studying the patterns of orthogonal matrices can be useful. One necessary condition for a matrix to be orthogonal is a property known as combinatorial orthogonality. If the adjacency matrix of a directed graph forms a pattern of a combinatorially orthogonal matrix, we say the digraph is quadrangular. We look at the quadrangular property in tournaments and regular tournaments.
dc.description13 pages
dc.identifierhttps://arxiv.org/abs/math/0404320
dc.identifierhttp://arxiv.org/abs/math/0404320
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/70890
dc.subjectCombinatorics
dc.subjectQuantum Physics
dc.subject05C20; 05C50
dc.titleQuadrangularity in Tournaments
dc.typetext

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