Faculty at School of Natural Sciences

Sudip Ranjan Bhuia

Sudip Ranjan Bhuia

Assistant professor

School of Natural Sciences


Contact Information

Functional analysis, operator theory, function theory.

1. Ph.D. (2016--2021) Department of Mathematics, Indian Institute of Technology, Hyderabad, India. Thesis advisor: Prof. G. Ramesh and Prof. D. Venku Naidu.

2. M.Sc (2012--2014), Tata Institute of Fundamental Research, Centre for Applicable Mathematics, Bangalore, India.

3. B.Sc (Hons.) (2009--2012), Ramakrishna Mission Vidyamandira, Belur Math, Howrah, India.

4. 12th Standard ( 2007--2009), Mitra Institution(Main), Kolkata, West Bengal, India.

5. 10th Standard (2007), Mitra Institution(Main), Kolkata, West Bengal, India.

  1. November 2022--Present, NBHM Post-Doctoral Fellow, Stat-Math Unit, Indian Statistical Institute, Bangalore, India.
  2. August 2022--October 2022, Research associate I, Department of Mathematics, Indian Institute of Science, Bangalore, India.
  3. February 2022--July 2022, Visiting scientist, Stat-Math Unit, Indian Statistical Institute, Bangalore, India.

  1. Selected for National Board of Higher Mathematics (NBHM) of Department of Atomic Energy (DAE) Post-Doctoral Fellowship (2022).
  2. Research Excellence Award for outstanding research performance in Ph.D in Mathematics, Department of Mathematics, IIT Hyderabad (2022).
  3. Secured all India rank 95 in GATE (2016).
  4. Secured all India rank 41 (LS) in CSIR-NET (2015).
  5. Junior Research Fellow at TIFR CAM, Bangalore (2012--2014).

  1. Ramesh, S.~R. Bhuia and D. Venku~Naidu, Cartesian decomposition of $C$-normal operators, Linear Multilinear Algebra 70 (2022), no.~21, 6640--6647; https://doi.org/10.1080/03081087.2021.1967847.
  2. Sudip Ranjan Bhuia, A class of $C$-normal weighted composition operators on Fock space $\mathcal{F}^2(\mathbb{C})$, J. Math. Anal. Appl. 508 (2022), no.~2, Paper No. 125896, 14 pp.; https://doi.org/10.1016/j.jmaa.2021.125896.
  3. Ramesh, S.~R. Bhuia and D. Venku~Naidu, A representation of compact $C$-normal operators, Linear Multilinear Algebra 71 (2023), no.~9, 1565--1577; https://doi.org/10.1080/03081087.2022.2065234.
  4. Ramesh, S.~R. Bhuia and D. Venku~Naidu, Cyclic composition operators on Segal-Bargmann space, Concr. Oper. 9 (2022), no.~1, 127--138; https://doi.org/10.1515/conop-2022-0133.
  5. Sudip Ranjan Bhuia, A note on $C$-normal weighted composition operators on the Fock space in several variables, Monatsh. Math. 201 (2023), no.~1, 53--64; https://doi.org/10.1007/s00605-022-01729-7.
  6. Ramesh, S.~R. Bhuia and D. Venku~Naidu, On the $C$-polar decomposition of operators and applications, Monatsh. Math. 202 (2023), no.~3, 583--598; https://doi.org/10.1007/s00605-023-01879-2.
  7. Sudip Ranjan Bhuia, Invariant subspaces of contractions with constant characteristic function, Proc. Amer. Math. Soc. 152 (2024), no.~12, 5249--5263; https://doi.org/10.1090/proc/16965.
  8. ~R. Bhuia, Factorization of Hankel operators, range inclusion of Toeplitz and Hankel operators on the vector-valued Hardy space, C. R. Math. Acad. Sci. Paris 362 (2024), 1773--1778; https://doi.org/10.5802/crmath.680}.
  9. ~R. Bhuia, D. Pradhan and J. Sarkar, Characterizations of complex symmetric Toeplitz operators, Bull. Sci. Math. 199 (2025), Paper No. 103578; https://doi.org/10.1016/j.bulsci.2025.103578.
  10. N. Bala and S. R. Bhuia; Norm attaining composition operators on Segal-Bargmann spaces, Bull. Sci. Math. 203 (2025), Paper No. 103657; https://doi.org/10.1016/j.bulsci.2025.103657.
  11. Sudip Ranjan Bhuia, Operators commuting with complex symmetric weighted composition operators on $H^2$,   https://arxiv.org/abs/2310.09026.
  12. Sudip Ranjan Bhuia; Factorization of anti-linear and $C$-normal operators, https://arxiv.org/abs/2403.02207.

1. January, 2025, PDF-RS Symposium, Indian Statistical Institute, Bangalore, India.

2. October, 2023, PDF-RS Symposium, Indian Statistical Institute, Bangalore, India.

3. March, 2023, PDF-RS Annual Symposium, Indian Statistical Institute, Bangalore, India.

4. December, 2019, Symposium on geometry of Banach spaces, IIT Hyderabad, Telangana, India.