March 17, 2008
Dr. Stephen Lucas, JMU

Computation for fun (not profit)

ABSTRACT:   Undergraduate numerical methods courses (like Math 248, 448, 449) focus on learning how to use a computer to solve mathematical problems that tend to be very practical, like solving nonlinear equations, solving systems of linear equations and solving differential equations, to name a few. And yet, there are any other areas where we can use computers to help us solve more "fun" mathematical problems. In this talk, I will show how we can solve a set of problems related to continued fractions using a computer, starting from something as simple as the Euclidean algorithm, and almost accidentally building up to some questions worthy of undergraduate research.

Note that some knowledge of basic computing (Math 248 or any first programming course) will be helpful.



BIOGRAPHICAL SKETCH: 
  Steve Lucas received a 1st Class honours degree with University Medal in Mathematics from Wollongong University in 1989, and a PhD in Mechanical Engineering from Sydney University in 1994. He did a Postdoctoral Research Fellowship in the Division of Applied Sciences, Harvard University during the period 1993-1995. From 1996-2006 he was employed by the School of Mathematics in the University of South Australia, including a visiting position 2005-2006 at the Department of Mathematics, University of Tennessee. He is currently a visiting associate professor within the Department of Mathematics and Statistics, James Madison University. Steve's research interests include analysis, fluid and solid mechanics, signal processing, control theory, number theory, graph theory and industrial mathematics, but the majority of his research has a numerical flavor. In February 2002, Steve received the Michell Medal for the outstanding new researcher in Applied Mathematics in Australia and New Zealand, awarded by the Australia New Zealand Industrial and Applied Mathematics division of the Australian Mathematical Society.