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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 9 (1986), Issue 4, Pages 659-663
doi:10.1155/S0161171286000820

Cohyponormal operators with the single valued extension property

Ridgley Lange and Shengwang Wang

Department of Mathematics, Central Michigan University, Mt. Pleasant 48859, Michigan, USA

Abstract

It is proved that in order to find a nontrivial hyperinvariant subspace for a cohyponormal operator it suffices to make the further assumption that the operator have the single-valued extension property.