Debasis Sen

PhD (ISI Kolkata)

Associate Professor, Department of Mathematics and Statistics


Research Interest



  • PhD, Mathematics & Indian Statistical Institute, Kolkata.(2005--2011)
    Thesis Title: Simplicial Bredon Illman Cohomology with Local Coefficients.
    Thesis supervisor: Prof. Goutam Mukherjee
  • M.Sc., & Mathematics & Jadavpur University, Kolkata.(2003--2005)
  • B.Sc., & Mathematics & University of Kalyani, Kalyani.(2000--2003)


Topology, Geometry 

  • (with Goutam Mukherjee) Equivariant simplicial cohomology with local coefficients and its classification. Topology and its Applications, 2010, Vol 157, pages 1015-1032.

  • Equivariant twisted Cartan cohomology theory. Journal of Homotopy and Its Related Structures, Vol 5(1) (2010), pages 157-169.

  • (with Goutam Mukherjee) Steenrod reduced power operations in simplicial Bredon-Illman cohomology with local coefficients. Homology Homotopy and Applications, Vol 13(1), 2011,pages 273-296.

  • (with David Blanc) Rectifying homotopy group actions. Bulletin of the Belgian Mathematical Society, 21 (2014), no. 4, 685–710.

  • (with Samik Basu) Representing Bredon cohomology with local coefficients by crossed complexes and parametrized spectra. To appear in Journal of Pure and Applied Algebra (2015).


Topology & Geometry 

  • Assistant Professor at National Institute of Science Education and Research, India, June-November 2013.

  • Postdoctoral fellow at University of Haifa, Israel from December 2011 to May 2013.

  • Visiting scientist at Indian Statistical Institute, Kolkata, form September 2011 to November 2011.

  • Visiting postdoctoral fellow at University of Calgary form May 2011 to August 2011.


  • Awarded INSPIRE faculty, August 2012.

  • Jadavpur University Medal for standing first in order of merit in Master of Science Examination in Mathematics, 2005.

  • TUBITAK visiting scientist fellowship to visit Gebze Institute of Technology, Turkey.


I love playing badminton and table tennis. 


Department of Mathematics and Statistics
IIT Kanpur,
Kanpur 208016

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