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Recent Preprints:
Explicit Construction of LDPC Codes with No 4-Cycles
With Jon-Lark Kim, Uri N. Peled, Irina Perepelitsa and Shmuel Friedland
A Note on Formally Self-Dual Even Codes of Length Divisible by 8
With Jon-Lark Kim
ReprintsDesigns in Additive Codes over GF(4)
with Jon-Lark Kim
Designs, Codes and Cryptography, 30, 2003, 187-199
Decoding binary R(2,5) by hand
with Philippe Gaborit and Jon-Lark Kim
Discrete Math. 264, 2003, 55-73
Explicit Construction of LDPC Codes with Girth at Least Six
With Jon-Lark Kim, Uri N. Peled and Irina Perepelitsa
Appeared in Proceedings of the 40th Allerton Conference on Communication, Control and Computing, UIUC, Oct. 2002
Projections of binary linear codes onto larger fields
with Jon-Lark Kim and Keith Mellinger
SIAM J. Discrete Math, Vol. 16, No.4, pp.591-603, 2003
with Jon-Lark Kim
On the classification of extremal even formally self-dual codes of lengths 20 and 22
with Joe Fields, Philippe Gaborit and W.C. Huffman
Appeared in Discrete Applied Math., Vol. 111 (2001), 75-86.Designs in Additive Codes over GF(4)
with Jon-Lark Kim
Appeared in Proceedings of the 38th Allerton Conference on Communication, Control and Computing, UIUC, Oct. 2000, 1010-1018.On additive GF(4) codes
with Philippe Gaborit , W. Cary Huffman and Jon-Lark Kim
Appeared in DIMACS Workshop on Codes and Association Schemes, DIMACS Series in Discrete Math. and Theo. Computer Science, A.M.S., Vol. 56 (2001), 135-149.Decoding some doubly-even self-dual [32,16,8] codes by hand
with Jon-Lark Kim
Proceedings of XXVth Ohio State-Denison conference, Ohio State University, May, 1999
On the classification of extremal even formally self-dual codes
with Joe Fields, Philippe Gaborit and W.C. Huffman
Appeared in Design, Codes and Cryptography, Vol. 18, No. 1/2/3, 125-148 (1999).On the clasification of extremal additive codes over GF(4)
with Philippe Gaborit , W. Cary Huffman, and Jon-Lark Kim
Appeared in Proceedings of the 37th Allerton Conference on Communication, Control and Computing, UIUC, Sep. 1999, 535-544.On the Classification of Formally Self-Dual Codes
with Joe Fields, Philippe Gaborit and W.C. Huffman
Appeared in Proceedings of the 36th Allerton Conference on Communication, Control and Computing, UIUC, Oct. 1998, 566-575.Split Weight Enumerators of Extremal Self-Dual Codes
with Joe Fields
Appeared in Proceedings of the 35th Allerton Conference on Communication, Control and Computing, UIUC, Oct. 1997, 422-431.All Z4 Codes of Length 15 or Less Are Known
with Joe Fields, Philippe Gaborit and Jeffrey S. Leon.
Appeared in IEEE Transactions on Information Theory, vol. 44, no. 1. (1998)Covering Radius
with Richard A. Brualdi and Simon Litsyn.
Chapter 2 in "The Handbook of Coding Theory", North-Holland, Elsevier, (1998)Coding Constructions
Chapter 8 in "The Handbook of Coding Theory", North-Holland, Elsevier, (1998)Constraints on Weights in Binary Codes
Appeared in Applicable Algebra in Engineering, Communication and Computing, 8, 411-414 (1997).Cyclic Self-Dual Z4-Codes
with Patrick Sole and Zhongqiang Qian.
Appeared in Finite Fields and Their Applications 3, 48-69 (1997)All Z4 Codes of Type II and Length 16 Are Known
with Jeffrey S. Leon and Joe Fields.
Appeared in Journal of Combinatorial Theory, Series A vol.78, no. 1 (1997) pp 32-50.Cyclic Codes and Quadratic Residue Codes over Z4
with Zhongqiang Qian.
Appeared in IEEE Trans. Inform. Theory vol. 42, no. 5 (1996) pp 1594-1600.
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