I graduated from the best university in Taiwan (National Taiwan University) with M.S. degree in electrical engineering and then got my PhD in applied math from Brown University.

I taught undergraduate/graduate courses at Brown University and UCLA for various subjects such as probability theory, nonlinear control systems, and optimal stochastic control theory. As a retiree, now I work as a tutor at Howard Community College and as a substitute teacher at public school systems.

Since that I kn...