Band Matrices with Toeplitz Inverses.
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WISCONSIN UNIV-MADISON MATHEMATICS RESEARCH CENTER
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It is shown that a square band matrix H h sub ij with h sub ij O for j - i is greater than r and i - j is greater than 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. Author
- Statistics and Probability