Journal of the Chungcheong Mathematical Society (충청수학회지)
- Volume 21 Issue 2
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- Pages.287-292
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- 2008
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- 1226-3524(pISSN)
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- 2383-6245(eISSN)
JOINT WEAK SUBNORMALITY OF OPERATORS
- Lee, Jun Ik (Department of Mathematics Education Sangmyung University) ;
- Lee, Sang Hoon (Department of Mathematics Chungnam National University)
- Received : 2008.05.07
- Accepted : 2008.05.23
- Published : 2008.06.30
Abstract
We introduce jointly weak subnormal operators. It is shown that if