Ankit Kumar

Ankit Kumar
Department Mathematics
Designation Assistant Professor
Qualification Ph.D. (University of Delhi) 2021, M.Sc. Mathematics (Hindu College, University of Delhi) 2016, B.Sc. (Hons.) Mathematics (Kirori Mal College, University of Delhi) 2014
Research Interests Operator Theory, Spectral Theory, Fixed Point Theory
Email ankitkumar@pec.edu.in ( Official )
1995ankit13@gmail.com ( Personal )
Phone Number

Sr. No. Title
1 Parneet Kaur, Rattan Lal, Ankit Kumar, Set-valued fractal surfaces for countable data sets: approximation and fractal dimension, Discrete Contin. Dyn. Syst. Ser. S 25 (2026), 279–296.
2 Ankit Kumar, Manu Rohilla and Rattan Lal, A note on the Browder’s theorem and a Cline’s formula for generalized Drazin-$g$-meromorphic inverses, Filomat, Volume 38 (2024), no. 25, 8849-8860.
3 Anuradha Gupta, Ankit Kumar and Manu Rohilla, A new approach to coincidence points and common fixed points under a homotopy of families of mappings in b-metric spaces, Asian-European Journal of Mathematics, 17 (2024), no. 3, 2450029.
4 Anuradha Gupta and Ankit Kumar, Generalized Drazin-meromorphic invertible operators and Browder type theorems, Linear and Multilinear Algebra, Volume 71(2023), no. 16, 2615-2630.
5 Anuradha Gupta and Ankit Kumar, Quasi-Fredholm spectrum and compact perturbations, Complex Analysis and Operator Theory, 14 (2020), no. 1, Paper No. 19, 15pp.