Additivity of maps on triangular algebras.
Topological reflexivity of the spaces of (α,β)-derivations on operator algebras
We prove that the spaces of (α,β)-derivations on certain operator algebras are topologically reflexive in the weak operator topology. Characterizations of automorphisms and (α,β)-derivations on reflexive algebras are also given.
A new Hilbert-type integral inequality and the equivalent form.
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