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Subdifferential of the joint numerical radius

Authors :
Grover, Priyanka
Singla, Sushil
Publication Year :
2022

Abstract

An expression for the subdifferential of the joint numerical radius is obtained. Its applications to the best approximation problems in the joint numerical radius are discussed.

Subjects

Subjects :
Mathematics - Functional Analysis
15A60, 58C20, 47A12

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2201.03055
Document Type :
Working Paper

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