Communications of the Korean Mathematical Society (대한수학회논문집)
- Volume 11 Issue 4
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- Pages.967-974
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- 1996
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- 1225-1763(pISSN)
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- 2234-3024(eISSN)
DUAL OPERATOR ALGEBRAS AND HEREDITARY PROPERTIES OF ISOMETRIC DILATIONS AND COISOMETRIC EXTENSIONS
- Mi Kyung Jang (Department of Mathematics, Kyungpook National University, Taegu 702-701, Korea) ;
- Young Soo Jo (Department of Mathematics, Keimyung University, Taegu 704-701, Korea)
- Published : 1996.10.01
Abstract
We discuss contraction operators T in the class A, where A is the class of absolutely continuus contractions for which the Sz.-Nagy-Foias functional calculus is isometry. We obtain relationship between the class