Subdifferential of the joint numerical radius
Priyanka Grover, Sushil Singla
TL;DR
This paper derives an expression for the subdifferential of the joint numerical radius and explores its applications to approximation problems involving this mathematical concept.
Contribution
It provides a new explicit expression for the subdifferential of the joint numerical radius, advancing understanding of its structure.
Findings
Derived a formula for the subdifferential of the joint numerical radius
Applied the subdifferential to best approximation problems
Enhanced tools for analyzing joint numerical radius properties
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.
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Taxonomy
TopicsMatrix Theory and Algorithms · Iterative Methods for Nonlinear Equations · Elasticity and Wave Propagation