Email this article On an Orthogonality Equation in Normed Spaces
- Authors: Wójcik P.1
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Affiliations:
- Institute of Mathematics, Pedagogical University of Cracow
- Issue: Vol 52, No 3 (2018)
- Pages: 224-227
- Section: Brief Communications
- URL: https://journals.rcsi.science/0016-2663/article/view/234513
- DOI: https://doi.org/10.1007/s10688-018-0231-6
- ID: 234513
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Abstract
The aim of this paper is to give an answer to the question, posed by Alsina, Sikorska, and Tomás, as to whether each norm derivative preserving mapping is necessarily linear.
About the authors
P. Wójcik
Institute of Mathematics, Pedagogical University of Cracow
Author for correspondence.
Email: pwojcik@up.krakow.pl
Poland, Kraków
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