- Cryptography and Cryptanalysis,
Entry Level Mathematics Colloquium, University of Arizona, December 9,
2003.
- RSA: A public-key cryptosystem, Entry
Level Mathematics Colloquium, University of Arizona, April 5, 2005.
- Securing Data Transmission
Using Coding Theory, Math Awareness Week, April 11, 2006.
- Writing in Mathematics - I, part of
the G.I.F.T.S. session in Wakonse-Arizona workshop, May 19, 2006.
- Writing in Mathematics - II, part of
the G.I.F.T.S. session in Wakonse-Arizona workshop, May 19, 2006.
- What kind of number is ...?
, March 13, 2007.
- More coming