V. Kadets

activity

19992009

most citedRecent progress and open questions on the numerical index of Banach spaces

52 citations · 83 across the 8 of their papers we have counts for

collaborators

Showing 2009 · math.FAShow all

2 papers · 2 filters

math.FA2009

Daugavet centers

T. Bosenko, V. Kadets

An operator $G : X \to Y$ is said to be a Daugavet center if $∥ G + T ∥ = ∥ G ∥ + ∥ T ∥$ for every rank-1 operator $T : X \to Y$ . The main result of the pap…

math.FA2009★ 21 cited

The Schur l1 Theorem for filters

Antonio Avilés, Bernardo Cascales, Vladimir Kadets +1

We study the classes of filters F on N such that the weak and strong F-convergence of sequences in l1 coincide. We study also an analogue of l1 weak sequential completeness theorem…