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Bose, B and Roy, S and Sain, D (2023) Birkhoff-James orthogonality and its local symmetry in some sequence spaces. In: Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas, 117 (3).
Bose, B and Roy, S and Sain, D (2023) Geometry of sub-algebras of Hol(Γ∪Int(Γ)) and zeros of holomorphic functions. In: Banach Journal of Mathematical Analysis, 17 (2).
Ghosh, S and Mal, A and Paul, K and Sain, D (2023) On symmetric points with respect to the numerical radius norm. In: Banach Journal of Mathematical Analysis, 17 (4).
Faryad, E and Khurana, D and Moslehian, MS and Sain, D (2022) A generalization of the Roberts orthogonality: from normed linear spaces to C∗ -algebras. In: Monatshefte fur Mathematik .
Sain, D and Ray, A and Dey, S and Paul, K (2022) Some remarks on orthogonality of bounded linear operators-II. In: Acta Scientiarum Mathematicarum, 88 (3-4). pp. 807-820.
Sain, D and Roy, S (2022) On best approximations in Banach spaces from the perspective of orthogonality. In: Banach Journal of Mathematical Analysis, 16 (3).
Roy, S and Bagchi, S and Sain, D (2022) Birkhoff–James Orthogonality in Complex Banach Spaces and Bhatia–Šemrl Theorem Revisited. In: Mediterranean Journal of Mathematics, 19 (2).
Mandal, K and Sain, D and Mal, A and Paul, K (2022) Norm attainment set and symmetricity of operators on �p2. In: Advances in Operator Theory, 7 (1).
Roy, S and Sain, D (2022) Approximate orthogonality in complex normed spaces: a directional approach. In: Linear and Multilinear Algebra .
Sen, J and Sain, D and Paul, K (2021) Orthogonality and norm attainment of operators in semi-Hilbertian spaces. In: Annals of Functional Analysis, 12 (1).
Sain, D and Bhunia, P and Bhanja, A and Paul, K (2021) On a new norm on B(H) and its applications to numerical radius inequalities. In: Annals of Functional Analysis, 12 (4).
Sain, D (2021) On best approximations to compact operators. In: Proceedings of the American Mathematical Society, 149 (10). pp. 4273-4286.
Sain, D (2021) On best approximations to compact operators. In: Proceedings of the American Mathematical Society, 149 (10). pp. 4273-4286.
Sen, J and Sain, D and Paul, K (2021) On approximate orthogonality and symmetry of operators in semi-Hilbertian structure. In: Bulletin des Sciences Mathematiques, 170 .
Sain, D (2021) Orthogonality and smoothness induced by the norm derivatives. In: Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas, 115 (3).
Roy, S and Senapati, T and Sain, D (2021) Orthogonality of bilinear forms and application to matrices. In: Linear Algebra and Its Applications, 615 . pp. 104-111.
Sain, D and Mal, A and Mandal, K and Paul, K (2021) On uniform Bishop-Phelps-Bollobás type approximations of linear operators and preservation of geometric properties. In: Journal of Mathematical Analysis and Applications, 494 (1).
Sen, J and Sain, D and Paul, K (2021) Orthogonality and norm attainment of operators in semi-Hilbertian spaces. In: Annals of Functional Analysis, 12 (1).
Chmieli�ski, J and Khurana, D and Sain, D (2021) Local Approximate Symmetry of Birkhoff�James Orthogonality in Normed Linear Spaces. In: Results in Mathematics, 76 (3).
Roy, S and Sain, D (2021) Numerical radius and a notion of smoothness in the space of bounded linear operators. In: Bulletin des Sciences Mathematiques, 173 .
Sain, D and Mal, A and Bhunia, P and Paul, K (2021) On Numerical Radius and Crawford Number Attainment Sets of a Bounded Linear Operator. In: Journal of Convex Analysis, 28 (1). pp. 67-80.
Sain, D and Mal, A and Bhunia, P and Paul, K (2021) On Numerical Radius and Crawford Number Attainment Sets of a Bounded Linear Operator. In: Journal of Convex Analysis, 28 (1). pp. 67-80.
Sain, D and Sohel, S and Ghosh, S and Paul, K (2021) On best coapproximations in subspaces of diagonal matrices. In: Linear and Multilinear Algebra .
Bhunia, P and Sain, D and Paul, K (2021) On the Davis-Wielandt shell of an operator and the Davis-Wielandt index of a normed linear space. In: Collectanea Mathematica .
Sain, D and Roy, S and Tanaka, R (2020) Level numbers of a bounded linear operator between normed linear spaces and singular value decomposition revisited. In: Linear and Multilinear Algebra .
Chattopadhyay, A and Sain, D and Senapati, T (2020) A study of non-positive operators between real normed linear spaces. In: Acta Scientiarum Mathematicarum, 86 (3-4). pp. 449-466.
Sain, D and Tanaka, R (2020) Modular Birkhoff�James orthogonality in B(X, Y) and K(X, Y). In: Banach Journal of Mathematical Analysis, 14 (4). pp. 1347-1362.
Ray, A and Roy, S and Bagchi, S and Sain, D (2020) Extreme contractions on finite-dimensional polygonal banach spaces. II. In: Journal of Operator Theory, 84 (1). pp. 127-137.
Khurana, D and Roy, S and Sain, D (2020) Symmetric points in spaces of linear operators between banach spaces. In: Acta Scientiarum Mathematicarum, 86 (3-4). pp. 617-634.
Sain, D (2020) On the Norm Attainment Set of a Bounded Linear Operator and Semi-Inner-Products in Normed Spaces. In: Indian Journal of Pure and Applied Mathematics, 51 (1). pp. 179-186.
Sain, D and Mal, A and Paul, K (2020) Some remarks on Birkhoff–James orthogonality of linear operators. In: Expositiones Mathematicae, 38 (1). pp. 138-147.
Sain, D (2020) On a Generalization of a Complementary Triangle Inequality in Hilbert Spaces and Banach Spaces. In: Indian Journal of Pure and Applied Mathematics, 51 (4). pp. 1815-1827.
Sain, D and Roy, S and Bagchi, S and Balestro, V (2020) A study of symmetric points in Banach spaces. In: Linear and Multilinear Algebra .
Sain, D and Paul, K and Mal, A and Ray, A (2019) A complete characterization of smoothness in the space of bounded linear operators. In: Linear and Multilinear Algebra .
Ghosh, P and Sain, D and Paul, K (2017) On symmetry of Birkhoff-James orthogonality of linear operators. In: Advances in Operator Theory, 2 (4). pp. 428-434.
Ghosh, P and Paul, K and Sain, D (2017) Symmetric properties of orthogonality of linear operators on (Rn, ∥.∥1). In: Institute of Mathematics, 47 (2). pp. 41-46.
