Operator norm attainment and inner product spaces D Sain, K Paul Linear Algebra and its Applications 439 (8), 2448-2452, 2013 | 39 | 2013 |

Birkhoff–James orthogonality of linear operators on finite dimensional Banach spaces D Sain Journal of Mathematical Analysis and Applications 447 (2), 860-866, 2017 | 36 | 2017 |

Birkhoff–James orthogonality and smoothness of bounded linear operators K Paul, D Sain, P Ghosh Linear Algebra and its Applications 506, 551-563, 2016 | 34 | 2016 |

Operator norm attainment and Birkhoff–James orthogonality D Sain, K Paul, S Hait Linear Algebra and its Applications 476, 85-97, 2015 | 31 | 2015 |

On the norm attainment set of a bounded linear operator D Sain Journal of Mathematical Analysis and Applications 457 (1), 67-76, 2018 | 22 | 2018 |

On strong orthogonality and strictly convex normed linear spaces K Paul, D Sain, K Jha Journal of inequalities and applications 2013 (1), 242, 2013 | 22 | 2013 |

On symmetry of Birkhoff-James orthogonality of linear operators P Ghosh, D Sain, K Paul Advances in Operator Theory 2 (4), 428-434, 2017 | 17 | 2017 |

A complete characterization of Birkhoff-James orthogonality in infinite dimensional normed space D Sain, K Paul, A Mal arXiv preprint arXiv:1706.07713, 2017 | 15 | 2017 |

Orthogonality of bounded linear operators P Ghosh, D Sain, K Paul Linear algebra and its applications 500, 43-51, 2016 | 15 | 2016 |

On some geometric properties of operator spaces A Mal, D Sain, K Paul Banach Journal of Mathematical Analysis 13 (1), 174-191, 2019 | 10 | 2019 |

On symmetry of Birkhoff-James orthogonality of linear operators on finite-dimensional real Banach spaces D Sain, P Ghosh, K Paul arXiv preprint arXiv:1611.03663, 2016 | 10 | 2016 |

Orthogonality of bounded linear operators on complex Banach spaces K Paul, D Sain, A Mal, K Mandal Advances in Operator Theory 3 (3), 699-709, 2018 | 9 | 2018 |

On rectangular constant in normed linear spaces K Paul, P Ghosh, D Sain Journal of Convex Analysis 24, 917-925, 2017 | 9* | 2017 |

A complete characterization of smoothness in the space of bounded linear operators D Sain, K Paul, A Mal, A Ray Linear and Multilinear Algebra, 1-11, 2019 | 8 | 2019 |

Extreme contractions on finite-dimensional polygonal Banach spaces D Sain, A Ray, K Paul arXiv preprint arXiv:1808.01881, 2018 | 8 | 2018 |

Strictly convex space: Strong orthogonality and Conjugate diameters D Sain, K Paul, K Jha arXiv preprint arXiv:1411.1464, 2014 | 8 | 2014 |

On extreme contractions and the norm attainment set of a bounded linear operator D Sain Annals of Functional Analysis 10 (1), 135-143, 2019 | 7 | 2019 |

On the numerical index of polyhedral Banach spaces D Sain, K Paul, P Bhunia, S Bag Linear Algebra and its Applications 577, 121-133, 2019 | 6 | 2019 |

Approximate Birkhoff–James orthogonality in the space of bounded linear operators K Paul, D Sain, A Mal Linear Algebra and its Applications 537, 348-357, 2018 | 6 | 2018 |

On approximate Birkhoff-James orthogonality and normal cones in a normed space D Sain, K Paul arXiv preprint arXiv:1706.07715, 2017 | 6 | 2017 |