Geodesic
ON A FRIEDRICHS EXTENSION RELATED TO UNBOUNDED SUBNORMAL OPERATORS
Glasgow mathematical journal, Tome 48 (2006) no. 1, pp. 19-28

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DOI

We combine the theory of sectorial sesquilinear forms with the theory of unbounded subnormal operators in Hilbert spaces to characterize the Friedrichs extensions of multiplication operators (with analytic symbols) in certain functional Hilbert spaces. Such characterizations lead to abstract Galerkin approximations and generalized wave equations.
DOI : 10.1017/S001708950500282X
Mots-clés : Primary 41A65, 47B20, Secondary 35K90, 41A10, 47A07, 47B32 
CHAVAN, SAMEER; ATHAVALE, AMEER. ON A FRIEDRICHS EXTENSION RELATED TO UNBOUNDED SUBNORMAL OPERATORS. Glasgow mathematical journal, Tome 48 (2006) no. 1, pp. 19-28. doi: 10.1017/S001708950500282X
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     title = {ON {A} {FRIEDRICHS} {EXTENSION} {RELATED} {TO} {UNBOUNDED} {SUBNORMAL} {OPERATORS}},
     journal = {Glasgow mathematical journal},
     pages = {19--28},
     year = {2006},
     volume = {48},
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     doi = {10.1017/S001708950500282X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950500282X/}
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