Fall 2008 semester courses:           Mathematics Senior Seminar   (Math 4513-001, TR 10:30 - 11:45, in PHSC 119)   Algebraic Topology I   (Math 6813-001, TR 12:00 - 1:30), in PHSC 1105)   Links to course pages from past semesters.   Calculus links.   Primal Scream,  a solution to an intriguing mathematical "brain teaser".   Recursive Enumeration of Pythagorean Triples (with Elizabeth Wade), College Math. J. 34 (2003), 107-111.   Height and Excess of Pythagorean Triples, Math. Mag. 78 (2005), 26-44.   Mathematical Miscellanea,  a small personal collection.   List of all courses I have taught at OU.   Transparencies for talks on educational topics.