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Operators whose dual has non-separable range
Authors:Pandelis Dodos
Institution:Department of Mathematics, University of Athens, Panepistimiopolis 157 84, Athens, Greece
Abstract:Let X and Y be separable Banach spaces and T:XY be a bounded linear operator. We characterize the non-separability of T?(Y?) by means of fixing properties of the operator T.
Keywords:Operators  Trees  Schauder bases
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