Bulletin of the Iranian Mathematical Society

Bulletin of the Iranian Mathematical Society

Some numerical radius inequalities with positive definite functions

Document Type : Research Paper

Authors
Department of Pure Mathematics‎, ‎Faculty of Mathematics and Computer‎, ‎Shahid Bahonar University of Kerman‎, ‎Kerman‎, ‎Iran
Abstract
 ‎Using several examples of positive definite functions‎, ‎some inequalities for the numerical radius of‎ ‎matrices are investigated‎. ‎Also‎, ‎some open problems are stated‎.
Keywords
Subjects

Volume 41, Issue 4 - Serial Number 4
August 2015
Pages 889-900

  • Receive Date 13 January 2014
  • Revise Date 24 May 2014
  • Accept Date 24 May 2014