25. The 2004 AMS sectional meeting, Special session on Codes
and Applications (Oct. 23-24, 2004) at

24. 2004 Com2Mac
Conference on "Association Schemes, Codes, and Designs" (July
19-23, 2004) at

23. 2004 IEEE International Symposium on Information Theory (June 27- July 2, 2004) at Chicago Downtown, IL

on MDS self-dual codes

22. 2004 IMA PI Summer Program for Graduate Students on "Coding and Cryptography" (June 8-26, 2004) at the University of Notre Dame on Construction of LDPC codes

21. Joint
AMS-SMM International Meeting, Special Session on "Coding Theory and
Cryptography" (May 13-15, 2004) at

20. The math department talk at the

19. The math department talk at the

18. The math department talk at the WPI (Worcester Polytechnic
Institute), (Feb. 17, 04)

What color is my hat? talk
for undergraduate students. slide (ps)

17. The math department talk at the

16. The 2003 Mathematics of
Public-Key Cryptography, at the

on ``Code-based public-key cryptosystems'', slide (pdf)

15. Fall
2003 Department Colloquium (Oct. 23, 2003) at the

on ``Codes, Graphs, and Generalized Polygons.''

14. The 2003 AMS sectional meeting at the

on ``Nonbinary quantum error-correcting codes from algebraic
curves''.

13. The conference and
Workshop on Coding theory and Quantum Computing (May 20-24, 03) at the

on ``Nonbinary Quantum Error-Correcting Codes from Algebraic
Curves''.

12. The seventh
conference on Finite Fields and Applications (May 5-9, 03),

on ``Projections of binary linear codes onto larger fields''.

11. One hour talk (April, 14, 03) at the department
of Mathematics,

on ``Codes on grphas''.

10. Two one hour talks (1/6-1/7, 03) at Postech,

on ``Codes on graphs'' and ``cyclic codes and exponential sums''.

9. The 40^{th} Allerton Conference on Communication, Control, and
Computing (10/2-10/4, 02) at

on ``Dual cyclic codes with two zeros’’.

8. Special
department colloquium (4/30, 02) at

on ``Application of exponential sums to coding
theory.''

7. The
969th Amer. Math. Soc. central section on Codes and Designs (9/21
-23, 01) at

on ``Assmus-Mattson theorem on additive codes over GF(4)''.

* 6*. International
Symposium on Information Theory, (6/24-6/29, 01) at

on ``New good Hermitian self-dual codes over GF(4)''.

5. The 6th International Conference
on Finite Fields and Applications (5/21 -25, 01) at

on ``New self-dual code over GF(4)
with the highest known minimum weights''.

4.
International Workshop on Combinatorics, 12th Franco-Japanese Conference (Oct.5
- 8, 00) at Zao,

on ``New extremal Type I codes over GF(4)''.

3.
Codes, Lattices, Modular Forms, and VOA (Oct.2 - 4, 00) at

on ``Additive self-dual codes over GF(4)
and lattices''.

* * 2. Com2Mac (7/3 - 7, 00) at Postech in

on ``A method to build up binary self-dual codes''.

1. The XXVth Ohio State-Denison conference (5/18 - 21, 00) at OSU,

on ``New extremal self-dual codes of lengths 36,38,
and 58''.

*Coming Conferences*

1. Joint
AMS-SMM International Meeting, Special Session on "Coding Theory and
Cryptography" (May 13-15, 2004) at

2. 2004 IMA PI Summer Program for Graduate
Students on "Coding and Cryptography" (June 8-26, 2004) at the

3. 2004 IEEE International Symposium on Information Theory (June 27- July 2, 2004) at Chicago Downtown, IL.

4. 2004 Com2Mac Conference on
"Association Schemes, Codes, and Designs" (July 19-23, 2004) at