Reverse Inequalities for the Numerical Radius of Linear Operators in Hilbert Spaces

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Some elementary inequalities providing upper bounds for the difference of the norm and the numerical radius of a bounded linear operator on Hilbert spaces under appropriate conditions are given.

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Functional Analysis, Operator Algebras, 46C05, 47A12

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http://salesiana.dossiersoluciones.com/handle/123456789/76238

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0509029
 http://arxiv.org/abs/math/0509029

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arXiv