Two weeks ago, a modest-looking paper was uploaded to the arXiv preprint server with the unassuming title “On the invariant subspace problem in Hilbert spaces”. The paper is just 13 pages long and its ...
Add Yahoo as a preferred source to see more of our stories on Google. Two weeks ago, a modest-looking paper was uploaded to the arXiv preprint server with the unassuming title “On the invariant ...
Let T be an operator with spectrum σ(T) on a Hilbert space. A compact subset E of σ(T) is called a disconnected part of σ(T) if, for some bounded open set A, E is the closure of σ(T) ∩ A and σ(T) - E ...
In this paper, a sufficient condition for the existence of hyperinvariant subspace of compact perturbations of multiplication operators on some Banach spaces is presented. An interpretation of this ...
Two weeks ago, a modest-looking paper was uploaded to the arXiv preprint server with the unassuming title On the invariant subspace problem in Hilbert spaces. The paper is just 13 pages long and its ...
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