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Some properties on the star order of bounded operators
Authors:Chunyuan Deng
Institution:School of Mathematics Science, South China Normal University, Guangzhou 510631, PR China
Abstract:In this paper, we give various characterizations of star order and present some new relationships between the logic order and the star order. We present some necessary and sufficient conditions for which the infimum or upper bound exists with respect to given orders.
Keywords:Logic order  ?-Order  Operator matrix
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