The Distance From a Point to a Compact Convex Set

Authors

  • Mohammad Taghi Heydari

Keywords:

compact convex set . distance . Numerical range.

Abstract

Let K be a compact convex subset of the plane and λÂCK, then dist(λ,K)=(λNμ)11, where μ is the Lebesgue measure concentrated on K and Nμ be the multiplication operator on L2(μ).

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Published

2014-05-08

Issue

Section

Topology

How to Cite

The Distance From a Point to a Compact Convex Set. (2014). European Journal of Pure and Applied Mathematics, 7(2), 129-130. https://www.ejpam.com/index.php/ejpam/article/view/1882