Dr. Sandipan De

Designation : Assistant Professor

Broad Area of Expertise : Mathematics

Email : sandipan{at}iitgoa.ac.in

Contact Number : 0832 2490857

Address : F-11, Mining Building

Personal Page

Educational Qualifications

  • Ph.D in Mathematics: The Institute of Mathematical Sciences, Chennai, 2016
  • Master of Science in Mathematics: Indian Institute of Technology, Kharagpur, 2009

Areas of Research

Operator algebras (Subfactor theory, von Neumann algebras), Operator theory, and Quantum algebras (Hopf algebras, Planar algebras)


Courses Taught

  • MTH6021 Algebra (Autumn 2020-21, Autumn 2021-22)
  • MTH6022 Graduate Course in Linear Algebra (Autumn 2020-21)
  • MTH101 Calculus (Single Variable Calculus, First half) (Autumn 2021-22)
  • MTH223 Algebra (Spring 2021-22)
  • MTH213 Numerical Analysis (Post mid semester part)(Spring 2021-22)
  • MA501 Representation theory of finite groups (Autumn 2022-23)
  • MA101 Calculus (Single Variable Calculus, First half) (Autumn 2022-23)
  • MA602 Functional Analysis (Autumn 2022-23)
  • MA205 Algebra (Spring 2023-24)
  • MA524 Ergodic Theory (Spring 2023-24)

Professional Appointments

  • Visiting Scientist: Stat-Math Unit, Indian Statistical Institute, Bangalore, August 2016- January 2017.
  • NBHM Post Doctoral Fellow: Stat-Math Unit, Indian Statistical Institute, Bangalore, February 2017 - January 2020.

Recent Publications

  • Sandipan De, Jaydeb Sarkar, P. Shankar, and T.R. Sankar, Isometric pairs with compact + normal cross-commutator,   Arxiv Link: https://arxiv.org/pdf/2401.10807.pdf
  • Sandipan De, Jaydeb Sarkar, P. Shankar, and T.R. Sankar, Pairs of projections and commuting isometries, Journal of Operator Theory 91(2024), no.1, 261–294.                                  http://dx.doi.org/10.7900/jot.2022apr19.2370
  • B. V. Rajarama Bhat, Panchugopal Bikram, Sandipan De and Narayan Rakshit, Poisson boundary on full Fock space, Trans. Amer. Math. Soc. (2022), Volume 375, Number 8, 5645-5668 https://doi.org/10.1090/tran/8684
  • Bhat, B.V.R., De, S. and Rakshit, N. A caricature of dilation theory. Adv. Oper. Theory 6, 63 (2021).        https://doi.org/10.1007/s43036-021-00157-y
  • Sandipan De, Quantum double inclusions associated to a family of Kac algebra subfactors. J. Math. Phys. 61 (2020), no. 1, 011703, 39 pages.                                              https://doi.org/10.1063/1.5132346
  • Sandipan De, From a Kac algebra subfactor to Drinfeld double. J. Math. Phys. 60 (2019), no. 7, 071701, 26 pages. https://doi.org/10.1063/1.5095497
  • Sandipan De and Vijay Kodiyalam, Planar algebras, cabling and the Drinfeld double. Quantum Topology 9 (2018), no. 1, 141-165.  http://dx.doi.org/10.4171/QT/105
  • Sandipan De and Vijay Kodiyalam, Note on infinite iterated crossed products of Hopf algebras and the Drinfeld double. Journal of Pure and Applied algebra 219 (2015), no. 12, 5305-5313. https://doi.org/10.1016/j.jpaa.2015.05.013

Recognition and Awards

  • SERB MATRICS grant (December 2022 - December 2025)

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