International Journal of Mathematics and Mathematical Sciences
Volume 21 (1998), Issue 2, Pages 217-220
doi:10.1155/S0161171298000313
Some results on dominant operators
Department of Mathematics, Cheju National University, Cheju 690-756, Korea
Received 25 September 1995; Revised 30 January 1997
Copyright © 1998 Youngoh Yang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
We show that the Weyl spectrum of a dominant operator satisfies the spectral
mapping theorem for analytic functions and then answer a question of Oberai.