Method of Variation of Parameters for Dynamic Systems

V. Lakshmikantham is the Director of Interdisciplinary Programs at the Florida Institute of Technology, USA. He is the founder and editor of Nonlinear Analysis, Stochastic Analysis, Mathematical Problems in Engineering, Nonlinear Studies and Nonlinear World. He is the author of 25 books and has published more than 300 research papers on differential equations and nonlinear analysis. Professor Lakshmikantham is also the founder of the International Federation of Nonlinear Analysts (IFNA) and has organized two World Congresses of Nonlinear Analysts. In addition he is also the associate editor on several journals, and the editor of the book series Stability and Control: Theory, Methods and Applications.

Sadashiv G. Deo received his PhD from Marathwada University in 1965. He has taught at the Ruparel College, Bombay (1956-1963), Marathwada University, Aurgangabad (1963-1973), Bombay University and Goa University (1973-1993). He was a member of the visiting faculty in the University of Alberta, Canada (1969-1971), University of Texas at Arlington, USA (1982-1983) and Florida Institute of Technology, USA (1994-1996). In addition to numerous research papers, Professor Deo has published a textbook, a monograph and has edited a conference proceeding volume.