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On Matrices with Signed Null Spaces
Kim, S. J. Shader, Bryan L. Hwang, S. G.
Kim, S. J.
Shader, Bryan L.
Hwang, S. G.
Abstract
Description
We denote by Q(A) the set of all matrices with the same sign pattern as A. A matrix A has signed null-space provided there exists a set S of sign patterns such that the set of sign patterns of vectors in the null-space of à is S for each à is an element of Q(A). Some properties of matrices with signed null-spaces are investigated.
Date
2002-12-19
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Publisher
University of Wyoming. Libraries
Research Projects
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Keywords
totally L-matrices,signed compounds,signed null-spaces,Mathematics