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Characterization of the class of unitary operators by operator inequalities

โœ Scribed by Seddik, Ameur


Book ID
126673302
Publisher
Taylor and Francis Group
Year
2011
Tongue
English
Weight
120 KB
Volume
59
Category
Article
ISSN
0308-1087

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๐Ÿ“œ SIMILAR VOLUMES


A Class of Invariant Unitary Operators
โœ Luis Bรกez-Duarte ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 117 KB

Let H=L 2 ((0, ), dx), and K \* f (x)= f (\*x), for \*>0, f # H. An invariant operator on H is one commuting with all the K \* . A skew root is a self-adjoint, unitary operator on H satisfying T 2 =I, and TK \* =K \* \*T, for all \*>0. A generator g is an element of H such that the smallest, closed