SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS
| dc.citation.epage | 262 | en_US |
| dc.citation.spage | 253 | en_US |
| dc.citation.volume | 12 | en_US |
| dc.contributor.author | Abu-Omar, Amer | en_US |
| dc.contributor.author | Wu, Pei Yuan | en_US |
| dc.contributor.department | 應用數學系 | zh_TW |
| dc.contributor.department | Department of Applied Mathematics | en_US |
| dc.date.accessioned | 2018-08-21T05:53:26Z | |
| dc.date.available | 2018-08-21T05:53:26Z | |
| dc.date.issued | 2018-03-01 | en_US |
| dc.description.abstract | Among other results, we find the best scalar approximant of a quadratic operator with respect to the numerical radius and the operator norm. We use these results to give estimates for the numerical radii of products and commutators of quadratic operators. | en_US |
| dc.identifier.doi | 10.7153/oam-2018-12-16 | en_US |
| dc.identifier.issn | 1846-3886 | en_US |
| dc.identifier.journal | OPERATORS AND MATRICES | en_US |
| dc.identifier.uri | http://dx.doi.org/10.7153/oam-2018-12-16 | en_US |
| dc.identifier.uri | https://ir.lib.nycu.edu.tw/handle/11536/144696 | |
| dc.identifier.wosnumber | WOS:000427763700016 | en_US |
| dc.language.iso | en_US | en_US |
| dc.subject | Numerical range | en_US |
| dc.subject | quadratic operator | en_US |
| dc.subject | scalar approximant | en_US |
| dc.title | SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS | en_US |
| dc.type | Article | en_US |
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