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02/01/2023
Algorithms for Modifying Recurrence Relations of Orthogonal Polynomial and Rational Functions when Changing the Discrete Inner Product
Often, polynomials or rational functions, orthogonal for a particular in...
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01/19/2023
Parallel two-stage reduction to Hessenberg-triangular form
We present a two-stage algorithm for the parallel reduction of a pencil ...
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08/03/2022
A new deflation criterion for the QZ algorithm
The QZ algorithm computes the Schur form of a matrix pencil. It is an it...
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04/07/2022
The seriation problem in the presence of a double Fiedler value
Seriation is a problem consisting of seeking the best enumeration order ...
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03/08/2021
Generation of orthogonal rational functions by procedures for structured matrices
The problem of computing recurrence coefficients of sequences of rationa...
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12/09/2019
Structured backward errors in linearizations
A standard approach to compute the roots of a univariate polynomial is t...
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06/24/2019
Pole-swapping algorithms for alternating and palindromic eigenvalue problems
Pole-swapping algorithms are generalizations of bulge-chasing algorithms...
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06/20/2019