CLASS A OPERATORS AND THEIR EXTENSIONS
- 주제(키워드) Class A operators , subscalar operators , invariant subspaces , Weyl's theorem
- 관리정보기술 faculty
- 등재 SCIE, SCOPUS
- 발행기관 ELEMENT
- 발행년도 2013
- 총서유형 Journal
- URI http://www.dcollection.net/handler/ewha/000000086847
- 본문언어 영어
- Published As http://dx.doi.org/10.7153/oam-07-09
초록/요약
In this paper, we study various properties of analytic extensions of class A operators. In particular, we show that every analytic extension of a class A operator has a scalar extension. As a corollary, we get that such an operator with rich spectrum has a nontrivial invariant subspace.
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