Dr. Soumalya Joardar

Academic Background

  1. Ph.D. (Mathematics),Indian Statistical Institute, Kolkata, India. (Defended on 14/09/2015)
  2. M.Sc. (Mathematics), Indian Institute of Technology, Bombay, India.
  3. B.Sc (Mathematics),Ramakrishna Mission Vidyamandira, University of Calcutta, Kolkata, India.


  1. Assistant Professor, IISER Kolkata (current)
  2. Assistant Professsor, Department of Mathematics and Statistics, IIT Kanpur.
  3. INSPIRE faculty in the Theoretical Science Unit, JNCASR, Bangalore.

Awards and Honors

  1. INSPIRE faculty Award.
  2. NBHM Postdoctoral fellowship.
For more details see the CV.

Operator Algebras, Non-Commutative Geometry, Quantum Groups.

  1. Soumalya Joardarand Arnab Mandal, Invariance of KMS states of graph C-algebras under classical and quantum symmetry, Proceedings of Edinburgh Mathematical Society (accepted)
  2. Jyotishman Bhowmick, Debashish Goswami and Soumalya JoardarA new look at Levi-Civita connection in noncommutative geometry, International Journal of Geometric methods in Modern Physics, 18 (7), 2021.
  3. Soumalya Joardar and Arnab mandal, Quantum symmetry of graph C-algebras at critical inverse temperature, Studia. Math., 256(1), 2021.
  4. Soumalya Joardar and Arnab Mandal, An example of explicit dependence of quantum symmetry on KMS states, Journal of Ramanujan Mathematical society 35, no. 4(2020), 299-306.
  5. Soumalya JoardarScalar curvature of a Levi-Civita connection on the Cuntz algebra with three generators , Letters in Mathematical Physics, Vol 109 (12), 2665-2679, 2019.
  6. Debashish Goswami and Soumalya JoardarA note on the injectivity of action by compact quantum groups on a class of C-alra,geb Banach center proceedings of quantum dynamics, Volume 120, 2020, 71-79.
  7. Soumalya Joardar and Arnab Mandal, Quantum Symmetry of Graph C-algebras associated with connected graphs, Innite Dimensional Analysis, Quantum Probability and Related Topics, 21(2018), no 3, 18 pages available at https://doi.org/10.1142/S0219025718500194
  8. Debashish Goswami and Soumalya JoardarNon-existence of faithful isometric action of compact quantum groups on compact, connected, Riemannian manifolds, Geometric and Functional Analysis 28 (2018), page 146-178, available at https://doi.org/10.1007/s00039-018-0437-z
  9. Debashish Goswami and Soumalya JoardarDeformation by Dual Unitary Cocycles and Generalized Fixed Point Algebra for Quantum Group Actions, Operator Theory: Advances and Applications, 247 (2015), 57-67. available at https://doi.org/10.1007/978-3-319-18182-03
  10. Debashish Goswami and Soumalya JoardarAn averaging trick for smooth actions of compact quantum groups on manifolds,Indian Journal of Pure and Applied Mathematics 46 (2015), issue 4, 477-488,available at DOI:10.1007/s13226-015-0147-2
  11. Debashish Goswami and Soumalya JoardarQuantum Isometry Groups of Noncommutative Manifolds Obtained by DeformationUsing Dual Unitary 2-Cocycles,SIGMA 10 (2014) 76, 18 pages,available at https://dx.doi.org/10.3842/SIGMA.2014.076



Project Students

Dr. Soumalya Joardar
Department Department-of-Mathematics-Statistics, AAC Building,
Room No. 321,
Indian Institute of Science Education and Research Kolkata
Mohanpur 741246 West Bengal, India
E-mail : Soumalya@iiserkol.ac.in