Convexity of the Krein space tracial numerical range and Morse theory
In this paper we present a Krein space convexity theorem on the tracial-numerical range of a matrix. This theorem is the analogue of Westwick's theorem. The proof is an application of Morse theory.
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| Other Authors: | , |
| Format: | other |
| Language: | eng |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10316/13648 |
| Country: | Portugal |
| Oai: | oai:estudogeral.sib.uc.pt:10316/13648 |