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A note on sign-nonsingular matrices

โœ Scribed by Miroslav Fiedler


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
159 KB
Volume
408
Category
Article
ISSN
0024-3795

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โœฆ Synopsis


We use previous results on complementary basic matrices to introduce a rather wide class of sign-nonsingular matrices.


๐Ÿ“œ SIMILAR VOLUMES


On digraphs and forbidden configurations
โœ Jia-Yu Shao ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 764 KB

A square real matrix A is called a strong sign nonsingular matrix (or "S2NS "" rnatrixl if all matrices with the same sign pattern as A are nonsingular and lhe inverses of these matrices all have the same sign pattern. A digraph which is the underlying digraph of the signed digraph of an S"NS matrix