On the exponential of semi-infinite quasi-Toeplitz matrices

Bini, DA; Meini, B

Bini, DA (reprint author), Univ Pisa, Dipartimento Matemat, Largo Bruno Pontecorvo 5, I-56127 Pisa, Italy.

NUMERISCHE MATHEMATIK, 2019; 141 (2): 319

Abstract

Let a(z)=Sigma iZaizi be a complex valued function defined for |z|=1, such that Sigma iZ|ai|<; define T(a)=(ti,j)i,jZ+,ti,j=aj-i for i,jZ+, the sem......

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