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20092021
most citedInversion des matrices de Toeplitz dont le symbole admet un zéro d'ordre fractionnaire positif, valeur propre minimale

2 citations · 6 across the 6 of their papers we have counts for

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6 papers

math.CA2021

Asymptotic expansion of the eigenvalues of a Toeplitz matrix with a real symbol

Philippe Rambour

Asymptotic expansion of the eigenvalues of a Toeplitz matrix with real symbol. This work provides two results obtained as a consequence of an inversion formula for Toeplitz matrice…

math.FA2015★ 1 cited

Expression asymptotique des valeurs propres d'une matrice de Toeplitz à symbole réel

Philippe Rambour

This work provides two results obtained as a consequence of an inversion formula for Toeplitz matrices with real symbol. First we obtain an asymptotic expression for the minimal ei…

math.SP2013★ 1 cited

Valeur propre minimale d'une matrice de Toeplitz et d'un produit de matrices de Toeplitz

Philippe Rambour

This paper is essentially devoted to the study of the minimal eigenvalue of the Toepllitz matrice where with $…

math.FA2011★ 1 cited

Trace et valeurs propres extrêmes d'un produit de matrices de Toeplitz. Le cas singulier

Philippe Rambour, Abdellatif Seghier

Trace and extreme eigenvalues of a product of truncated Toeplitz matrices. The singular case. In a first theorem we give an asymptotic expansion of Tr (T_N (f_1) T_N^{-1}(f_2)) whe…

math.FA2010★ 2 cited

Inversion des matrices de Toeplitz dont le symbole admet un zéro d'ordre fractionnaire positif, valeur propre minimale

Philippe Rambour, Abdellatif Seghier

Inversion of Toeplitz matrices with singular symbol. Minimal eigenvalues. Three results are stated in this paper. The first one is devoted to the study of the orthogonal polynomial…

math.FA2009★ 1 cited

Comportement asymptotique des polynômes orthogonaux associés à un poids ayant un zéro d'ordre fractionnaire sur le cercle. Applications aux valeurs propres d'une classe de matrices aléatoires unitaires

Philippe Rambour, Abdellatif Seghier

Asymptotic behavior of orthogonal polynomials on the circle, with respect to a weight having a fractional zero on the torus. Applications to the eigenvalues of certain unitary rand…