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Weighted composition operators as Daugavet centers

Abstract : We investigate the norm identity $\|uC_\varphi + T\| = \|u\|_\infty + \|T\|$ for classes of operators on $C(S)$, where $S$ is a compact Hausdorff space without isolated point, and characterize those weighted composition operators which satisfy this equation for every weakly compact operator $T : C(S)\rightarrow C(S)$. We also give a characterization of such weighted composition operator acting on the disk algebra $A(D).$
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Contributor : Romain Demazeux Connect in order to contact the contributor
Submitted on : Friday, December 18, 2009 - 9:22:39 PM
Last modification on : Friday, January 21, 2022 - 3:30:41 AM
Long-term archiving on: : Thursday, June 17, 2010 - 10:03:37 PM


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  • HAL Id : hal-00442267, version 1
  • ARXIV : 0912.4032



Romain Demazeux. Weighted composition operators as Daugavet centers. 2009. ⟨hal-00442267⟩



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