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https://hdl.handle.net/10316/13648| Title: | Convexity of the Krein space tracial numerical range and Morse theory | Authors: | Nakazato, Hiroshi Bebiano, Natália Providência, João da |
Keywords: | Numerical range; Indefinite inner product; J-Hermitian matrix; Non-interlacing | Issue Date: | 2009 | Publisher: | Centro de Matemática da Universidade de Coimbra | Citation: | Pré-Publicações DMUC. 09-31 (2009) | Serial title, monograph or event: | Pré-Publicações DMUC | Issue: | 09-31 | Place of publication or event: | Coimbra | Abstract: | 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. | URI: | https://hdl.handle.net/10316/13648 | Rights: | openAccess |
| Appears in Collections: | FCTUC Física - Vários FCTUC Matemática - Vários |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Convexity of the Krein space tracial numerical range.pdf | 180.75 kB | Adobe PDF | View/Open |
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