Assistant ProfessorDepartment of Mathematics
My research interests include
· Probability Theory
· Stochastic Processes.
· Probability Theory (M.Sc.)
· Probability, Statistics and Random Processes (B.Tech.)
Upadhye, N. S. And Vellaisamy, P. (2013). Compound Poisson approximations to convolutions of compound negative binomial distributions. To appear in Methodology and Computing in Applied Probability.
Upadhye, N. S. and Vellaisamy, P. (2013). Improved bounds for approximation to compound distributions. Statistics & Probability Letters, 83, 467-473.
Vellaisamy, P., Upadhye, N. S. and Cekanavicius V. (2013). On Negative Binomial Approximation. Theory of Probability and its Applications, 57, 97-109.
Vellaisamy P. and Upadhye, N. S. (2009). Compound negative binomial approximations for sums of random variables. Probability and Mathematical Statistics, 29, 205-226.
Vellaisamy P. and Upadhye, N. S. (2009). On the sums of compound negative binomial and gamma random variables. Journal of Applied Probability, 46, 272-283.
Vellaisamy, P. and Upadhye, N. S. (2007). On negative binomial distribution and its generalizations. Statistics & Probability Letters, 77, 173-180.
Upadhye, N. S., Cekanavicius, V. And Vellaisamy, P. (2013). On Stein’s operator for discrete approximations. Preprint.
(updated on 13-06-2013)