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Accretive and Sectorial Extensions of Nonnegative Symmetric Operators

✍ Scribed by Yury Arlinskiĭ, Yury Kovalev, Eduard Tsekanovskiĭ

Book ID: 113090448
Publisher: SP Birkhäuser Verlag Basel
Year: 2011
Tongue: English
Weight: 440 KB
Volume: 6
Category: Article
ISSN: 1661-8254
DOI: 10.1007/s11785-011-0169-7

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## Abstract We find a criterion of existence and uniqueness of an __m__ ‐sectorial extension of a dual pair {__A__ ~1~, __A__ ~2~} of nonnegative operators. A description of the set of all such extensions of a dual pair {__A__ ~1~, __A__ ~2~} is obtained too. A complete description of the set of al