Sign Patterns That Allow the Given Matrix

Sign Patterns That Allow the Given Matrix

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摘要 Let P be a property referring to a real matrix. For a sign pattern A, if there exists a real matrix B in the qualitative class of A such that B has property P, then we say A allows P. Three cases that A allows an M matrix, an inverse M matrix and a P 0 matrix are considered. The complete characterizations are obtained. Let P be a property referring to a real matrix. For a sign pattern A, if there exists a real matrix B in the qualitative class of A such that B has property P, then we say A allows P. Three cases that A allows an M matrix, an inverse M matrix and a P 0 matrix are considered. The complete characterizations are obtained.

作者邵燕灵孙良

机构地区 Department of Mathematics Department of Mathematics

出处《Journal of Beijing Institute of Technology》 EI CAS 2003年第3期316-318,共3页 北京理工大学学报（英文版）

基金 ShanxiNaturalScienceFoundation( 2 0 0 1 1 0 0 6 )

关键词 sign pattern M matrix inverse M matrix P 0 matrix sign pattern M matrix inverse M matrix P 0 matrix

分类号 O151.21 [理学—基础数学]

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参考文献11

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Journal of Beijing Institute of Technology

2003年第3期

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Sign Patterns That Allow the Given Matrix

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