Dr. Ajay Kumar has been teaching Mathematics since July 2011. Before Joining K R Mangalam University, he has taught at Govt . PG College Sector – 9, Gurugram, Central University of Haryana and Shivaji College, University of Delhi.
In June 2012, he was appointed as University Teaching Assistant at CIC, University of Delhi and from there he started his Ph.D. In his Ph. D research work, he has worked in the area of Invariant subspaces and Linear Operators on Hardy Spaces and some function spaces which are closely related to Hardy spaces.
Multivariable and Matrix variable Calculus with Applications, DST SERB School, 2012 (April 16 – May 11), CMS, Pala, Kerala.
International Workshop on Operator Theory and its Applications, IISC, Ban- galore, December 2013.
14th Discussion Meeting on Harmonic Analysis, Department of Mathematics, University of Delhi, December 10-12, 2015.
Invariance under Bounded Analytic Functions: Generalizing Shifts (with N. Sahni and D. Singh), New York J. Math. 22(2016), 1249–1270.
Invariance under finite Blaschke factors on BMOA (with N. Sahni and D. Singh), New York J. Math. 23(2017), 1641–1656.
Sub-Hardy Hilbert Spaces on the circle and torus (with N. Sahni and D. Singh), Forthcoming (available at arxive.org ).