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On a pattern of reflexive operator spaces
Authors:Lifeng Ding
Affiliation:Department of Mathematics & Computer Science, Georgia State University, Atlanta, Georgia 30303-3083
Abstract:
A linear subspace $M$ is a separating subspace for an operator space $S$ if the only member of $S$ annihilating $M$ is 0. It is proved in this paper that if $S$ has a strictly separating vector $x$ and a separating subspace $M$ satisfying $Sx cap [SM] = {0}$, then $S$ is reflexive. Applying this to finite dimensional $S$ leads to more results on reflexivity. For example, if dim $S = n$, and every nonzero operator in $S$ has rank $> n^{2}$, then $S$ is reflexive.

Keywords:Reflexive operator space   separating vector   separating space
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