Asst. Professor (grade II)

Office Address:

MAT 309 Department of Mathematics National Institute of Technology Calicut NIT Campus (P.O)-673601, Kozhikode, Kerala

Contact no:

Email ID:

Home Address:

MSc : Bharathidasan University, Trichy

PhD : IIT Madras, Chennai

PDEF: IIT Madras, Chennai

Educational Qualifications

Journals

R. Vijayakumar, Note on weighted Bohr’s inequality, Lobachevskii J. Math. 42(12) (2021), 3035–3042.
S. Ponnusamy, R. Vijayakumar, Generalized versions of Lipschitz conditions on the modulus of holomorphic functions, C. R. Math. Acad. Sci. Paris, 359(5) (2021), 609–615.
S. Ponnusamy, R. Vijayakumar, and K.-J. Wirths, New inequalities for the coefficients of unimodular bounded functions, Results Math. 75, 107 (2020).
S. Ponnusamy, R. Vijayakumar, and K.-J. Wirths, Improved Bohr’s phenomenon in quasi-subordination classes, J. Math. Anal. and Appl. 506(1) (2022), 125645, 10 pages.
S. Ponnusamy, R. Vijayakumar, and K.-J. Wirths, Modifications of Bohr’s inequality in various settings, Houston J. Math. 47(4)(2021), 807–831.
Sh. Chen, H. Hamada, S. Ponnusamy and R. Vijayakumar, Schwarz type lemmas and their applications in Banach spaces, Journal d’Analyse Mathématique (2023), 36 pages.
S. Ponnusamy, R. Vijayakumar, Note on improved Bohr inequality for harmonic mappings, Current Research in Mathematical and Computer Sciences-III, Publisher UWM, Olsztyn (2022), pp. 353–360. See https://arxiv.org/pdf/2104.06717.pdf

Research:

Current Teaching:

Awarded “The Smt Lakshmikutty Amma and Shri Krishnakutty Nair prize” for the Best Doctoral Thesis Award from the Indian Institute of Technology Madras.
Awarded “DST-Inspire Fellowship” in 2016.
Awarded “Gold Medal” from Bharathidasan University (One Award made each year for the First rank Holder in the M.Sc., Mathematics Examination of Bharathidasan University).