ভারতীয় বিজ্ঞান শিক্ষা এবং গবেষণা প্রতিষ্ঠান কলকাতা

भारतीय विज्ञान शिक्षा एवं अनुसंधान संस्थान कोलकाता

INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH KOLKATA

... towards excellence in science

An Autonomous Institution, Under the Ministry of Education, Government of India

Sayan Bagchi

Assistant Professor
Dept: Mathematics and Statistics (DMS)
E-mail: sayan.bagchi [at] iiserkol.ac.in

All Publications:

  1. Bagchi, Sayan; Basak, Riju; Garg, Rahul and Ghosh, Abhishek. 2024."On some operator-valued Fourier pseudo-multipliers associated to Grushin operators." Journal of Mathematical Analysis and Applications, 539, 34
  2. Bagchi, Sayan and Garg, Rahul. 2024."On $L^2$-boundedness of pseudo-multipliers associated to the Grushin operator." Journal of Functional Analysis, 286, 74
  3. Bagchi, Sayan; Basak, Riju; Garg, Rahul and Ghosh, Abhishek. 2023."Sparse Bounds for Pseudo-multipliers Associated to Grushin Operators, II." Journal of Geometric Analysis, 34, 49
  4. Bagchi, Sayan; Ganguly, Pritam; Sarkar, Jayanta and Thangavelu, Sundaram. 2023."An analogue of Ingham's theorem on the Heisenberg group." Mathematische Annalen, 387, 1073-1104
  5. Bagchi, Sayan; Basak, Riju; Garg, Rahul and Ghosh, Abhishek. 2023."Sparse bounds for pseudo-multipliers associated to Grushin operators, I." Journal of Fourier Analysis and Applications, 29, 38
  6. Bagchi, Sayan; Kumar, Ashisha and Sen, Suparna. 2023."Roe-Strichartz Theorem on two step nilpotent Lie groups." Mathematische Nachrichten, 296, 2691-270
  7. Bagchi, S; Hait, S and Raani, K S Senthil. 2022."$L^p$-$L^q$ estimates for generalised spherical averages." Proceedings of Indian Academic of Science ( Mathematical Sciences), 132, 1-26
  8. Bagchi, Sayan. 2021."Fourier multipliers on the Heisenberg group revisited." Studia Mathematica, 260, 241-272
  9. Bagchi, Sayan; Hait, Sourav; Roncal, Luz and Thangavelu, Sundaram. 2021."On the maximal function associated to the spherical means on the Heisenberg group." New York Journal of Mathematics, 27, 631-675
  10. Bagchi, Sayan and Thangavelu, Sundaram. 2018."Weighted norm inequalities for Weyl multipliers and Fourier multipliers on the Heisenberg group." Journal d’Analyse Mathématique, 136, 1-29
  11. Bagchi, Sayan. 2018."Heisenberg uniqueness pairs corresponding to finite number of parallel lines." Advances in Mathematics, 325, 814-823
  12. Bagchi, Sayan and Thangavelu, Sundaram. 2015."On Hermite psudo-multipliers." Journal of Functional Analysis, 268, 140-170