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Ph.D.,1973 
Indian Institute of Technology, Madras

M.S., 1968 
Bangalore University, Bangalore, India

B.S., 1966 
Bangalore University, Bangalore, India

• Ordinary and partial differential equations
• Impulsive differential equations
• Reaction diffusion equations
• Differential equations with delay
• Integro-differential equations
• Singular systems and its application

• Zachary Denton and Vatsala, A. S., Existence in the Large for Caputo Fractional Multi-Order Systems with Initial Conditions, Foundations, 3 (2023), 260-274.
• Vatsala, A. S. and Pageni, Govinda, Caputo Sequential Fractional Differential Equations with Applications, in Synergies in Analysis, Discrete Mathematics, Soft Computing and Modelling, Forum for Interdisciplinary Mathematics Series, Springer, (2023), 83-102.
• Antony Vijesh, V. and Vatsala, A. S. An accelerated technique for the coupled system of reaction-diffusion-transport equations arising from catalytic converters J. Math. Anal. Appl., 515, (2022) 2, Paper No. 126365, 39. 
• Vatsala, A. S., Pageni, Govinda and Vijesh, V. Anthony, Analysis of Sequential Caputo Fractional Differential Equations versus Non-Sequential Caputo Fractional Differential Equations with Applications, Foundations 2, (2022), 1129-1142.
• Govinda Pageni and Aghalaya S Vatsala, Study of Two System of Caputo Fractional Differential Equations with Initial Conditions via Laplace Transform Method, Neural Parallel and Scientific Computations, 29, (2021), No. 2, 69-83.

• Nominee, USL Foundation Distinguished Professor Award, 1991
• Nominee, USL Foundation Distinguished Professor Award, 1994
• Elected Academician of the Academy of Nonlinear Sciences, Russia, 1999