Research Seminar in continues to meet in G5 (Rolla Building) on Tuesday, Jan 30, 2001, 3:30 pm. All interested faculty and students are invited to attend. 

will talk on We introduce the Laplace transform for an arbitrary time scale. Two particular choices of time scales, namely the reals and the integers, yield the concepts of the classical Laplace transform and of the classical Ztransform. Other choices of time scales yield new concepts of our Laplace transform, which can be applied to find solutions of higher order linear dynamic equations with constant coeffficients. We present several useful properties of our Laplace transform and offer formulas for the Laplace transforms of many elementary functions, among them results for the convolution of two functions on a time scale, which is introduced in this paper as well. 