Browsing Matemática Aplicada II by Subject "Toeplitz operators"
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Article
Lifting the solutions of a Toeplitz type equation; the semigroup case X = TsXT*s
(Universita del Salento, 1995)A Toeplitz operator with respect to a contractive representation {Ts} of an abelian semigroup Σ in a Hilbert space H is ...
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Article
On Pták's generalization of Hankel operators
(Springer, 2001)In 1997 Pták defined generalized Hankel operators as follows: Given two contractions T1 ∈ B(H1) and T2 ∈ B(H2), an operator ...