Open Access
November 2016 Gateaux derivative of the norm in K(X;Y)
Paweł Wójcik
Ann. Funct. Anal. 7(4): 678-685 (November 2016). DOI: 10.1215/20088752-3661179

Abstract

In this article, we consider the φ-Gateaux derivative of the norm in spaces of compact operators in such a way as to extend the Kečkić theorem. Our main result determines the φ-Gateaux derivative of the K(X;Y) norm.

Citation

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Paweł Wójcik. "Gateaux derivative of the norm in K(X;Y)." Ann. Funct. Anal. 7 (4) 678 - 685, November 2016. https://doi.org/10.1215/20088752-3661179

Information

Received: 31 March 2016; Accepted: 11 July 2016; Published: November 2016
First available in Project Euclid: 5 October 2016

zbMATH: 1366.46010
MathSciNet: MR3555759
Digital Object Identifier: 10.1215/20088752-3661179

Subjects:
Primary: 46B20
Secondary: 46G05 , 47L05

Keywords: adjoint operator , dual space , extreme point , Gateaux derivative , space of compact operator

Rights: Copyright © 2016 Tusi Mathematical Research Group

Vol.7 • No. 4 • November 2016
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