Minimal extensions in tensor product spaces

DOI10.1006/jath.1998.3246zbMath0927.46015OpenAlexW1993573576MaRDI QIDQ1284498

Grzegorz Lewicki

Publication date: 13 December 1999

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jath.1998.3246

zbMATH Keywords

minimal extension constantminimal projection constantsubspaces of polynomials of fixed degree

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20) Spaces of operators; tensor products; approximation properties (46B28) Linear operator approximation theory (47A58) Tensor products in functional analysis (46M05)

Related Items

Codimension-one minimal projections onto Haar subspaces ⋮ Subspaces of codimension two with large projection constants ⋮ Minimal projections in spaces of functions of \(N\) variables ⋮ The Chalmers-Metcalf operator and minimal extensions ⋮ Uniqueness of minimal projections in smooth expanded matrix spaces ⋮ Minimal projection onto certain subspace of Lp(X×Y×Z) ⋮ Chalmers-Metcalf operator and uniqueness of minimal projections ⋮ Some Results on Absolute Projection Constants ⋮ Best Approximation in Numerical Radius ⋮ On the Unique Minimality of the Fourier Projection inL_pSpaces ⋮ Codimension-one minimal extensions onto Haar subspaces ⋮ Applications of inverse limits to extensions of operators and approximation of Lipschitz functions ⋮ Minimal shape-preserving projections in tensor product spaces ⋮ Minimal Multi-Convex Projections Onto Subspaces of Incomplete Algebraic Polynomials

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