Maps compressing and expanding the numerical range on C-algebras

Rachid El Harti; Mohamed Mabrouk

doi:10.1080/03081087.2015.1009416

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Maps compressing and expanding the numerical range on C-algebras

Journal article

Peer reviewed

Maps compressing and expanding the numerical range on C-algebras

Rachid El Harti and Mohamed Mabrouk

Linear & multilinear algebra, Vol.63(11), pp.2332-2339

02/11/2015

DOI: https://doi.org/10.1080/03081087.2015.1009416

Abstract

algebras

compressing and expanding the numerical range

numerical range

We characterize surjective maps between two unital -algebras which compress and expand the numerical range of the product and triple product of elements in such -algebras.

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Title: Maps compressing and expanding the numerical range on C-algebras
Creators - without role: Rachid El Harti - Université Hassan 1er
Mohamed Mabrouk - Umm al-Qura University
Publication Details: Linear & multilinear algebra, Vol.63(11), pp.2332-2339
Publisher: Taylor & Francis
Identifiers: 9931375708331
Academic Unit: Umm Al Qura University
Language: English
Resource Type: Journal article