| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4600589 | Linear Algebra and its Applications | 2013 | 15 Pages |
Abstract
We define and characterize the Krein space numerical range W(A) and the Krein space co-numerical range Wco(A) of a non-negative operator A in a Krein space. It is shown that the non-zero spectrum of A is contained in the closure of W(A)∩Wco(A).
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
