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Showing 2009 · math.FAShow all
2 papers · 2 filters
math.FA2009
Greedy bases for Besov spaces
S. J. Dilworth, D. Freeman, E. Odell +1
We prove thatthe Banach space , which is isomorphic to certain Besov spaces, has a greedy basis whenever and $1<q<\inf…
math.FA2009
Almost invariant half-spaces of operators on Banach spaces
George Androulakis, Alexey I. Popov, Adi Tcaciuc +1
We introduce and study the following modified version of the Invariant Subspace Problem: whether every operator T on a Banach space has an almost invariant half-space, that is, a s…