ON A FRIEDRICHS EXTENSION RELATED TO UNBOUNDED SUBNORMAL OPERATORS

DOI10.1017/S001708950500282XzbMath1100.47017OpenAlexW2114441337MaRDI QIDQ5289923

Sameer Chavan, Ameer Athavale

Publication date: 19 April 2006

Published in: Glasgow Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s001708950500282x

zbMATH Keywords

Galerkin approximationFriedrichs extensionsgeneralized wave equationfunctional Hilbert spaceunbounded subnormal operator

Mathematics Subject Classification ID

Abstract parabolic equations (35K90) Subnormal operators, hyponormal operators, etc. (47B20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by polynomials (41A10) Forms (bilinear, sesquilinear, multilinear) (47A07) Linear operators in reproducing-kernel Hilbert spaces (including de Branges, de Branges-Rovnyak, and other structured spaces) (47B32)

Related Items (3)

Unbounded subnormal weighted shifts on directed trees ⋮ A spectral exclusion principle for unbounded subnormals ⋮ ON A FRIEDRICHS EXTENSION RELATED TO UNBOUNDED SUBNORMALS-II

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