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Search: All articles in the CMB digital archive with keyword isometries

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1. CMB Online first

De Carli, Laura; Samad, Gohin Shaikh
 One-parameter groups of operators and discrete Hilbert transforms We show that the discrete Hilbert transform and the discrete Kak-Hilbert transform are infinitesimal generator of one-parameter groups of operators in $\ell^2$. Keywords:discrete Hilbert transform, groups of operators, isometriesCategories:42A45, 42A50, 41A44

2. CMB 2015 (vol 58 pp. 241)

Botelho, Fernanda
 Isometries and Hermitian Operators on Zygmund Spaces In this paper we characterize the isometries of subspaces of the little Zygmund space. We show that the isometries of these spaces are surjective and represented as integral operators. We also show that all hermitian operators on these settings are bounded. Keywords:Zygmund spaces, the little Zygmund space, Hermitian operators, surjective linear isometries, generators of one-parameter groups of surjective isometriesCategories:46E15, 47B15, 47B38

3. CMB 2010 (vol 53 pp. 398)

Botelho, Fernanda; Jamison, James
 Projections in the Convex Hull of Surjective Isometries We characterize those linear projections represented as a convex combination of two surjective isometries on standard Banach spaces of continuous functions with values in a strictly convex Banach space. Keywords:isometry, convex combination of isometries, generalized bi-circular projectionsCategories:47A65, 47B15, 47B37
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