SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS

标题:	SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS
作者:	Abu-Omar, Amer Wu, Pei Yuan 应用数学系 Department of Applied Mathematics
关键字:	Numerical range;quadratic operator;scalar approximant
公开日期:	1-三月-2018
摘要:	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.
URI:	http://dx.doi.org/10.7153/oam-2018-12-16 http://hdl.handle.net/11536/144696
ISSN:	1846-3886
DOI:	10.7153/oam-2018-12-16
期刊:	OPERATORS AND MATRICES
Volume:	12
起始页:	253
结束页:	262
显示于类别：	Articles

APA	Abu-Omar, A., & Wu, P. Yuan (2018). SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS. WOS:000427763700016.
Bibtex	@article{Abu-Omar2018SCALAR, title={SCALAR APPROXIMANTS OF QUADRATIC OPERATORS WITH APPLICATIONS}, author={Abu-Omar, Amer and Wu, Pei Yuan}, journal={WOS:000427763700016}, year={2018}, url={https://ir.lib.nycu.edu.tw/handle/11536/144696}, }