A new method for approximation of closed convex subsets of B(H)
Author:
Iranmanesh Mahdi1,
Soleimany Fatemeh1
Affiliation:
1. Department of Mathematical Sciences, Shahrood University of Technology, Iran
Abstract
In this paper we use the concept of numerical range to characterize best
approximation points in closed convex subsets of B(H): Finally by using this
method we give also a useful characterization of best approximation in
closed convex subsets of a C*-algebra A.
Publisher
National Library of Serbia
Subject
General Mathematics