Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 전인호 | - |
dc.date.accessioned | 2018-05-02T08:15:38Z | - |
dc.date.available | 2018-05-02T08:15:38Z | - |
dc.date.issued | 2004 | - |
dc.identifier.issn | 0378-620X | - |
dc.identifier.other | OAK-2215 | - |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/242754 | - |
dc.description.abstract | Let B (H) denote the algebra of operators on a complex Hilbert space H, and let u denote the class of operators A ∈ B(H) which satisfy the absolute value condition | - |
dc.description.abstract | A | - |
dc.description.abstract | 2 ≤ | - |
dc.description.abstract | A2 | - |
dc.description.abstract | . It is proved that if A ∈ u is a contraction, then either A has a nontrivial invariant subspace or A is a proper contraction and the nonnegative operator D = | - |
dc.description.abstract | - | - |
dc.description.abstract | 2 is strongly stable. A Putnam-Fuglede type commutativity theorem is proved for contractions A in U, and it is shown that if normal subspaces of A ∈ U are reducing, then every compact operator in the intersection of the weak closure of the range of the derivation δA(X) = AX - XA with the commutant of A* is quasinilpotent. | - |
dc.language | English | - |
dc.title | Contractions satisfying the absolute value property | - |
dc.title | A | - |
dc.title | 2 ≤ | - |
dc.title | A2 | - |
dc.type | Article | - |
dc.relation.issue | 2 | - |
dc.relation.volume | 49 | - |
dc.relation.index | SCI | - |
dc.relation.index | SCIE | - |
dc.relation.index | SCOPUS | - |
dc.relation.startpage | 141 | - |
dc.relation.lastpage | 148 | - |
dc.relation.journaltitle | Integral Equations and Operator Theory | - |
dc.identifier.doi | 10.1007/s00020-002-1202-z | - |
dc.identifier.wosid | WOS:000222028700001 | - |
dc.identifier.scopusid | 2-s2.0-2942616536 | - |
dc.author.google | Duggal B.P. | - |
dc.author.google | Jeon I.H. | - |
dc.author.google | Kubrusly C.S. | - |
dc.date.modifydate | 20200911081002 | - |