Dr. Tapas Chatterjee

Assistant Professor

Phone No. 24-2262
Room No. 336



Dr. Tapas Chatterjee is an Assistant Professor in the Department of Mathematics at IIT Ropar. Dr. Tapas Chatterjee obtained his Doctoral degree from the Institute of Mathematical Sciences, Chennai, India. After obtaining his Doctoral degree the Dr. Chatterjee joined as a Post-Doctoral Fellow in the department of Mathematics & Statistics at Queen's University, Kingston, Canada. Dr. Chatterjee was also a visiting researcher at the Institute for Computational and Experimental Research in Mathematics (ICERM, Brown University). Dr. Chatterjee's research is focused on various topics in Number Theory. Dr. Chatterjee is currently a co-organiser of departmental seminars along with Dr. Partha Sharathi Dutta. If you are interested in giving a talk at IIT Ropar Mathematics department, please contact Dr. Chatterjee. For Summer Internship visit http://www.iitrpr.ac.in/summer-internship.

Areas of Research

Number Theory
Special values of L-functions
Transcendence Theory
Normal Complement Problems


PhD, Institute of Mathematical Sciences, Chennai, India, 2008-2013.
M.Sc Mathematics, Jadavpur University, India, 2006-2008.
B.Sc Mathematics, Jadavpur University, India, 2003-2006.

Work Experience

June, 2014 -- present: Assistant Professor, Indian Institute of Technology Ropar, Punjab, India.
2017: Visiting faculty, Universite Pierre et Marie Curie, University of Paris VI, France
2013 --2014: Post-Doctoral Fellow, Queen's University, Kingston, Canada.
2013 : Visiting Researcher, ICERM, Brown University, Providence, USA.

Selected Publications/Patents


9.  Tapas Chatterjee, M. Ram Murty and Siddhi PathakA VANISHING CRITERION FOR DIRICHLET SERIES WITH PERIODIC COEFFICIENTS to appear in Contemporary Mathematics, AMS Proceedings.


8.  Kuldeep Kaur, Manju Khan, and Tapas ChatterjeeA note on normal complement problem, Journal of Algebra and its Applications, 16, 1750011 (2017)[pdf]


7. Tapas ChatterjeeSanoli Gun and Purusottam Rath,  A Number field extension of a question of Milnor, Contemporary Mathematics, AMS Proceedings, 655 (2015), 15--26.

 6. Tapas Chatterjee and M. Ram Murty,  On a conjecture of Erd\"{o}s and certain Dirichlet seriesPacific Journal of Mathematics 275-1 (2015), 103--113.[pdf]


 5. Tapas Chatterjee and Sanoli Gun,  On the zeros of Generalized Hurwitz zeta functionsJournal of Number Theory, 145, (2014), 352--361. [pdf]

 4. Tapas Chatterjee and M. Ram Murty,  Non-vanishing of Dirichlet series with periodic coefficients, Journal of Number Theory, 145, (2014), 1--21.[pdf]

 3. Tapas Chatterjee and Sanoli GunThe Digamma function, Euler-Lehmer constants and their $p$-adic counterparts, Acta Arithmetica. 162(2014), 2, 197-208.[pdf]




2. Tapas ChatterjeeThe Strong Chowla-Milnor spaces and a conjecture of Gun, Murty and Rath,  Int. J. Number Theory,  (8) (5), (2012), 1301-1314.[pdf]

 1. Tapas ChatterjeeOn The Dimension Of Chowla-Milnor Space,  Proc. Indian Acad. Sci. Math. Sci., (122) (3), (2012), 313-317.[pdf]