Welcome! In this website, you can find links to Dr. Poon's classes at UCR, his publications, seminar schedule, program information for K-12 teachers, and more. If you want to talk with him, try your luck with one of the telephone numbers below. Otherwise, sending e-mail to ypoon@math.ucr.edu is a safe bet. Professor of Mathematics Department of Mathematics Surge Building. 202 Surge University of California at Riverside Riverside, CA 92521 USA Telephone:(951) 827-6480 Fax: (951) 827-7314 Melissa Gomez: (951) 827-3113 Alpha Center College Bldg. South 212 University of California at Riverside, Riverside, CA 92521 USA Fax:  (951) 827-5465 Mary Eggers-Simons:  (951) 827-7034