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Publications by N. K. Sahu

Numerical Range of Two Operators in Semi-Inner Product Spaces

Abstract and Applied Analysis

Applied Mathematics

English

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Characterizations of Inner Product Spaces by Inequalities Involving Semi-Inner Product

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On the Block Numerical Range of Operators on Arbitrary Banach Spaces

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(I-S) Semi-Inner Product

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Criteria for Inner Product Spaces

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More Characterizations of Inner Product Spaces

Proceedings of the American Mathematical Society

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Spectral Points of Type Π_+ and Type Π_- Of Closed Operators in Indefinite Inner Product Spaces

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Nonlinear Maps Preserving Higher-Dimensional Numerical Range of Skew Lie Product of Operators

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On Pompeiu Cebysev Type Inequalities for Positive Linear Maps of Selfadjoint Operators in Inner Product Spaces

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Normed Linear Spaces Equivalent to Inner Product Spaces

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