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Ars Combinatoria

  • Research article

Sign-nonsingular Matrices and Orthogonal Sign-patterns

Bryan L.Shader1
1 Department of Mathematics University of Wyoming Laramie, Wyoming 82071.
  • Published: 30/04/1998

Abstract

We establish some basic facts about sign-patterns of orthogonal matrices, and use these facts to characterize the sign-nonsingular matrices which are sign-patterns of orthogonal matrices.

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Citation
Bryan L.Shader. Sign-nonsingular Matrices and Orthogonal Sign-patterns[J], Ars Combinatoria, Volume 048. 289-296. DOI: .