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SHAO Yan ling, SUN Liang. Sign Patterns That Allow the Given Matrix[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2003, 12(3): 316-318.
Citation: SHAO Yan ling, SUN Liang. Sign Patterns That Allow the Given Matrix[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2003, 12(3): 316-318.
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Sign Patterns That Allow the Given Matrix

  • 1.

    Department of Mathematics, School of Science, Beijing Institute of Technology, Beijing100081, China; Department of Applied Mathematics, North China University of Science and Technology, Taiyuan, Shanxi 030051, China

  • 2.

    Department of Mathematics, School of Science, Beijing Institute of Technology, Beijing100081, China

Funds:ShanxiNaturalScienceFoundation(20011006)
  • Received Date:2002-05-28
    Abstract
  • 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.
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    • References (11)
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