Dr. A. Sairam Kaliraj

Assistant Professor

Department of Mathematics



Dr. A. Sairam Kaliraj earned his doctorate degree from the Indian Institute of Technology Madras in 2014. His Ph.D thesis entitled “Geometric properties and characterizations of univalent harmonic mappings” was written under the supervision of Professor S. Ponnusamy, IIT Madras. He continued his research work as a Visiting Scientist (June 2014 – Oct. 2015) in the Indian Statistical Institute Chennai Centre. The National Board for Higher Mathematics, Department of Atomic Energy, awarded him the NBHM Postdoctoral Fellowship in 2015. With this fellowship, he carried out his postdoctoral research work at ISI Chennai Centre (Nov.2015 – Oct. 2017). Presently, he is an Assistant Professor in the Department of Mathematics at IIT Ropar.

Areas of Research

Harmonic mappings in the plane
Function spaces on the unit ball in C


PhD, Indian Institute of Technology Madras, India (2009 - 2014)
M.Sc., ANJA College, Sivakasi, Tamil Nadu, India (2005 - 2007)
B.Sc., ANJA College, Sivakasi, Tamil Nadu, India (2002 - 2005)

Work Experience

Assistant Professor, IIT Ropar, April 2018 – Till Date
NBHM Postdoctoral Fellow, ISI Chennai Centre, Nov. 2015 – Oct. 2017
Visiting Scientist, ISI Chennai Centre, June. 2014 – Oct. 2015
Assistant Engineer – Testing, Infosys Technologies Ltd., Chennai, Mar. 2008 – June 2009
Probationary Educator, TWWI Pvt. Ltd., Chennai, May 2007 – Feb. 2008

Selected Publications/Patents


1. I.R. Kayumov, S. Ponnusamy, and A. Sairam Kaliraj, Riesz-Fejér inequalities for harmonic functions, Potential Analysis, 52(2020), 105--113.