The invarianee ofC-numerical rangeC-numericai radius, and their dual problems
- 1 August 1991
- journal article
- research article
- Published by Taylor & Francis in Linear and Multilinear Algebra
- Vol. 30 (1-2) , 117-128
- https://doi.org/10.1080/03081089108818094
Abstract
Let C be an n×n normal matrix. Let For any n×n matrix A, define the C-numerical range and the C-numerical radius of A by and respectively. We give a characierizaiion for those linear operators T which satisfy one of the following properties: .Keywords
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