Band matrices with Toeplitz inverses

  • Greville T
  • Trench W
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Abstract

It is shown that a square band matrix H=(hij) with hij=0 for j- i>r and i-j>s, where r+s is less than the order of the matrix, has a Toeplitz inverse if and only if it has a special structure characterized by two polynomials of degrees r and s, respectively. © 1979.

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Authors

  • T. N.E. Greville

  • W. F. Trench

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