Browsing Department of Science Education by Author "WILBROAD, BEZIRE"
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THE INVARIANT SUBSPACE PROBLEM FOR CONTRACTIVE OPERATORS IN KREIN SPACES
WILBROAD, BEZIRE (2022)The invariant subspace problem, which is one of the most funda mental questions in operator theory and which has been a subject of study for several decades remains open even on a Hilbert space. However, for certain classes ...