The Pure and Applied Mathematics (한국수학교육학회지시리즈B:순수및응용수학)

Korean Society of Mathematical Education (한국수학교육학회)
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ON NEARLY CONVERTIBLE (0,1) MATRICES

  • Kim, Si-Ju (Department of Mathematics Education, Andong University) ;
  • Park, Yong-Kil (Department of Liberal Arts and Science, Donghae University)
  • Published : 2001.05.01
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Abstract

Let A be a nonnegative matrix of size $n \times n$. A is said to be nearly convertible if A(i│j) is convertible for all integers i, j$\in${1,2,…, n} where A(i│j) denote the submatrix obtained from A by deleting the i-th row and the j-th col-umn. We investigate some properties of nearly convertible matrices and existence of (maximal)nearly convertible matrices of size n is proved for any integers $n(\geq 3)$.

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