Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4598932 | Linear Algebra and its Applications | 2015 | 11 Pages |
Abstract
In this paper we consider the following conjecture, posed by P.S. Bourdon and J.H. Shapiro in [2]: The numerical range of a finite order elliptic automorphism is not a disk, and we show that this is true for a large class of such composition operators.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
M.T. Heydari, A. Abdollahi,