Block Numerical Ranges
| File | Description | Size | Format | |
|---|---|---|---|---|
| 00010616.pdf | 830.22 kB | Adobe PDF | View/Open |
| Other Titles: | Blocknumerische Wertebereiche | Authors: | Wagenhofer, Markus | Supervisor: | Tretter, Christiane | 1. Expert: | Tretter, Christiane | Experts: | Langer, Heinz | Abstract: | The block numerical range (BNR) of a block operator matrix is a generalization of the numerical range of an operator acting on a Hilbert space. Main topics of this thesis are block diagonalizability of a block operator matrix if its BNR consists of the maximal number of connected components and spectral properties of corners of BNRs of block operator matrices and block operator functions. |
Keywords: | block operator matrix; block operator function; block numerical range; quadratic numerical range; numerical range | Issue Date: | 14-Feb-2007 | Type: | Dissertation | Secondary publication: | no | URN: | urn:nbn:de:gbv:46-diss000106161 | Institution: | Universität Bremen | Faculty: | Fachbereich 03: Mathematik/Informatik (FB 03) |
| Appears in Collections: | Dissertationen |
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