A Counterpart of Bessel's Inequality in Inner Product Spaces and Some Gruss Type Related Results

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A counterpart of the famous Bessel's inequality for orthornormal families in real or complex inner product spaces is given. Applications for some Gruss type inequalities are also provided.

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Classical Analysis and ODEs, Functional Analysis, 26D15, 26D10, 46C05

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http://salesiana.dossiersoluciones.com/handle/123456789/67483

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0305229
 http://arxiv.org/abs/math/0305229

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arXiv