Older talks…to be completed:

**ANTS II**: Algorithmic Number Theory Symposium, Universite de Bordeaux, May 20, 1996.

**Oberwolfach** Meeting on Finite Fields, Oberwolfach, Germany, January 20, 1997.

**Connecticut Valley Undergraduate Colloquium Series**, UMass, Amherst, April 23, 1997.

**AGCT-6**: Arithmetic, Geometry, and Coding Theory, C.I.R.M. Luminy, France, June 24, 1997.

**AMS Summer Research Conference**, Applications of Curves over Finite Fields, Seattle, 1997.

**European Research Conference**, Number Theory and Arithmetical Geometry, Spain, Oct 1997.

**ICCC**: 2nd International Conference on Coding Theory and Cryptography, Mexico, April, 1998.

**AMS Fall Western Section Meeting**, Tucson, Arizona, November 14-15, 1998

**Oberwolfach** Meeting on Explicit Methods in Number Theory, Oberwolfach, July, 1999.

**AGCT-7**: Arithmetic, Geometry, and Coding Theory, October, 1999, C.I.R.M., Luminy, France

**Workshop on Unusual Applications of Number Theory**, 10-14 January 2000, DIMACS

**AMS Western Section Regional Meeting**, Invited Address, October, 2000, San Francisco

**MSRI Workshop on Number Theory**, Genus three curves over finite fields *October, 2000 *

**Sixth Pacific North West Number Theory Conference **Vancouver, March 2002.

**IPAM New Trends in Cryptography, **April 2002

**University of Michigan Undergraduate Colloquium, **April 2002

**High Primes and Misdemeanours**, Lectures in honour of Hugh Williams, Banff 2003

**Pacific Northwest Number Theory Conference, **Vancouver, April 2004

**BIRS Workshop**: Explicit Methods in Number Theory, November, 2004

**BIRS Workshop** Number Theory Inspired by Cryptography November, 2005.