Quadratic Operator: Numerical Range, Similarity and Hyperlattice
碩士 === 國立交通大學 === 應用數學研究所 === 81 === In this thesis, first we show that the numerical range of a quadratic operator on a Hilbert space must be an elliptical disc or its degenerate form. We also obtain necessary and sufficient conditions for...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
1993
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| Online Access: | http://ndltd.ncl.edu.tw/handle/99089052953590111759 |