Nisha Singhal

Preprints

  1. A unified range characterization for the spherical mean transform, with Pradipta Chatterjee and Abhilash Tushir, 2026, arxiv
  2. A simple range characterization for spherical mean transform in even dimensions and its applications, with Divyansh Agrawal, Gaik Ambartsoumian and Venkateswaran P. Krishnan, 2025, arxiv
  3. A simple range characterization for spherical mean transform in odd dimensions and its applications, with Divyansh Agrawal, Gaik Ambartsoumian and Venkateswaran P. Krishnan, 2023, arxiv

Publications

  1. On the null space of the backprojection operator and Rubin’s conjecture for the spherical mean transform, with Divyansh Agrawal, Gaik Ambartsoumian and Venkateswaran P. Krishnan, 2024, Inverse problems, arxiv
  2. d-plane transform: unique and non-unique continuation, with Divyansh Agrawal, 2025, Proceedings of American Mathematical Society, arxiv

Talks

I have also presented some of these works.