• 제목/요약/키워드: sign tripotence

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Tripotence for irreducible sign-pattern matrices

  • Gwang Yeon Lee;Yue Ho Lee;Seok Zun Song
    • 대한수학회논문집
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    • 제12권1호
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    • pp.27-36
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    • 1997

  • A matrix whose entries consist of the symbols +, -, 0 is called a sign-pattern matrix. We characterize the $n \times n$ irreducible sign-pattern matrices that are sign tripotent.

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