Prof. Dr. Ravi P. Agarwal is a Professor in the Department of Mathematics at the Texas A&M University, Kingsville. He completed his Ph.D. at the Indian Institute of Technology, Madras, India, in 1973. His research interests include nonlinear analysis, differential and difference equations, fixed-point theory, and general inequalities. From 1980 to 1981, he was awarded the most respected Alexander Von Humboldt Foundation Fellowship to work with Prof. Dr. G. Hammerlin at der Ludwig—Maximilians Universitat, Munchen, Germany, and from 1981 to 1982, he worked as a Visiting Professor with Prof. Roberto Conti, Instituto Matematico, Firenze, Italy. He has served over 40 Journals in the capacity of an Editor or Associate Editor and published 24 books as an Editor. Dr. Ravi P Agarwal has also organized International Conferences.