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Publications by C. Nahak

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

Mathematical Inequalities and Applications

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On the Block Numerical Range of Operators on Arbitrary Banach Spaces

Operators and Matrices

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(I-S) Semi-Inner Product

Pure Mathematical Sciences

English

Criteria for Inner Product Spaces

Proceedings of the American Mathematical Society

Applied Mathematics

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More Characterizations of Inner Product Spaces

Proceedings of the American Mathematical Society

Applied Mathematics

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

Operators and Matrices

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

Operators and Matrices

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

JOURNAL OF ADVANCES IN MATHEMATICS

English

Normed Linear Spaces Equivalent to Inner Product Spaces

Proceedings of the American Mathematical Society

Applied Mathematics

English