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Birkhoff–James orthogonality of linear operators on finite dimensional Banach spaces

Journal of mathematical analysis and applications, 2017-03, Vol.447 (2), p.860-866

Sain, Debmalya

2017

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On best approximations to compact operators

Proceedings of the American Mathematical Society, 2021-10, Vol.149 (10), p.4273-4286

Sain, Debmalya

2021

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On the Norm Attainment Set of a Bounded Linear Operator and Semi-Inner-Products in Normed Spaces

Indian journal of pure and applied mathematics, 2020-03, Vol.51 (1), p.179-186

Sain, Debmalya

2020

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Orthogonality and smoothness induced by the norm derivatives

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A, Matemáticas, 2021-07, Vol.115 (3), Article 120

Sain, Debmalya

2021

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On a Generalization of a Complementary Triangle Inequality in Hilbert Spaces and Banach Spaces

Indian journal of pure and applied mathematics, 2020-12, Vol.51 (4), p.1815-1827

Sain, Debmalya

2020

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Birkhoff–James Orthogonality and Geometry of Operator Spaces

2024

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Birkhoff-James orthogonality and its local symmetry in some sequence spaces

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A, Matemáticas, 2023-07, Vol.117 (3), Article 93

2023

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Birkhoff–James Orthogonality in Complex Banach Spaces and Bhatia–Šemrl Theorem Revisited

Mediterranean journal of mathematics, 2022-04, Vol.19 (2), Article 58

2022

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On norm derivatives and the ball-covering property of Banach spaces

Journal of mathematical analysis and applications, 2025-01, Vol.541 (1), p.128738, Article 128738

Sain, Debmalya

2025

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On subspaces of ℓ∞ and extreme contractions in L(X,ℓ∞n)

Monatshefte für Mathematik, 2023-11, Vol.202 (3), p.621-636

2023

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On the norm attainment set of a bounded linear operator

Journal of mathematical analysis and applications, 2018-01, Vol.457 (1), p.67-76

Sain, Debmalya

2018

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On some special subspaces of a Banach space, from the perspective of best coapproximation

Monatshefte für Mathematik, 2024, Vol.204 (4), p.969-987

2024

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A complete characterization of smoothness in the space of bounded linear operators

Linear & multilinear algebra, 2020-12, Vol.68 (12), p.2484-2494

2020

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Operator norm attainment and Birkhoff–James orthogonality

Linear algebra and its applications, 2015-07, Vol.476, p.85-97

2015

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On isosceles orthogonality and some geometric constants in a normed space

Aequationes mathematicae, 2023-02, Vol.97 (1), p.147-160

2023

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Orthogonality of bounded linear operators on complex Banach spaces

Advances in operator theory, 2018-06, Vol.3 (3), p.699-709

2018

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Modular Birkhoff–James orthogonality in B(X,Y) and K(X,Y)

Banach journal of mathematical analysis, 2020-09, Vol.14 (4), p.1347-1362

2020

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On the Davis-Wielandt shell of an operator and the Davis-Wielandt index of a normed linear space

Collectanea mathematica (Barcelona), 2022-09, Vol.73 (3), p.521-533

2022

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On symmetry of strong Birkhoff orthogonality in B(H,K) and K(H,K)

Annals of functional analysis, 2020-07, Vol.11 (3), p.693-704

2020

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A generalization of the Roberts orthogonality: from normed linear spaces to C∗-algebras

Monatshefte für Mathematik, 2023-03, Vol.200 (3), p.605-625

2023

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Smoothness and norm attainment of bounded bilinear operators between Banach spaces

Linear & multilinear algebra, 2021-12, Vol.69 (16), p.3010-3018

Sain, Debmalya

2021

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Operator norm attainment and inner product spaces

Linear algebra and its applications, 2013-10, Vol.439 (8), p.2448-2452

2013

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On a norming property of subspaces of a Banach space and some applications

Linear & multilinear algebra, 2024-07, Vol.72 (11), p.1709-1724

2024

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Approximate orthogonality in complex normed spaces: a directional approach

Linear & multilinear algebra, 2023-03, Vol.71 (5), p.711-727

2023

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On extreme contractions and the norm attainment set of a bounded linear operator

Annals of functional analysis, 2019-02, Vol.10 (1), p.135-143

Sain, Debmalya

2019

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Birkhoff–James orthogonality of linear operators on finite dimensional Banach spaces

On best approximations to compact operators

On the Norm Attainment Set of a Bounded Linear Operator and Semi-Inner-Products in Normed Spaces

Orthogonality and smoothness induced by the norm derivatives

On a Generalization of a Complementary Triangle Inequality in Hilbert Spaces and Banach Spaces

Birkhoff–James Orthogonality and Geometry of Operator Spaces

Birkhoff-James orthogonality and its local symmetry in some sequence spaces

Birkhoff–James Orthogonality in Complex Banach Spaces and Bhatia–Šemrl Theorem Revisited

On norm derivatives and the ball-covering property of Banach spaces

On subspaces of ℓ∞ and extreme contractions in L(X,ℓ∞n)

On the norm attainment set of a bounded linear operator

On some special subspaces of a Banach space, from the perspective of best coapproximation

A complete characterization of smoothness in the space of bounded linear operators

Operator norm attainment and Birkhoff–James orthogonality

On isosceles orthogonality and some geometric constants in a normed space

Orthogonality of bounded linear operators on complex Banach spaces

Modular Birkhoff–James orthogonality in B(X,Y) and K(X,Y)

On the Davis-Wielandt shell of an operator and the Davis-Wielandt index of a normed linear space

On symmetry of strong Birkhoff orthogonality in B(H,K) and K(H,K)

A generalization of the Roberts orthogonality: from normed linear spaces to C∗-algebras

Smoothness and norm attainment of bounded bilinear operators between Banach spaces

Operator norm attainment and inner product spaces

On a norming property of subspaces of a Banach space and some applications

Approximate orthogonality in complex normed spaces: a directional approach

On extreme contractions and the norm attainment set of a bounded linear operator

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