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FEW-WEIGHT CODES FROM TRACE CODES OVER $R_{k}$

Published online by Cambridge University Press:  03 May 2018

MINJIA SHI*
Affiliation:
Key Laboratory of Intelligent Computing and Signal Processing, Ministry of Education, Anhui University, No. 3 Feixi Road, Hefei, Anhui Province 230039, PR China School of Mathematical Sciences, Anhui University, Hefei, Anhui, 230601, PR China email smjwcl.good@163.com
YUE GUAN
Affiliation:
School of Mathematical Sciences, Anhui University, Hefei, Anhui, 230601, PR China email guanyueeee@163.com
CHENCHEN WANG
Affiliation:
School of Mathematical Sciences, Anhui University, Hefei, Anhui, 230601, PR China email wangchenchen233@163.com
PATRICK SOLÉ
Affiliation:
CNRS/LAGA, Université Paris 8, 93 526 Saint-Denis, France email sole@enst.fr
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Abstract

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We construct two families of few-weight codes for the Lee weight over the ring $R_{k}$ based on two different defining sets. For the first defining set, taking the Gray map, we obtain an infinite family of binary two-weight codes which are in fact $2^{k}$ -fold replicated MacDonald codes. For the second defining set, we obtain two infinite families of few-weight codes. These few-weight codes can be used to implement secret-sharing schemes.

MSC classification

Type
Research Article
Copyright
© 2018 Australian Mathematical Publishing Association Inc. 

Footnotes

This research is supported by the National Natural Science Foundation of China (61672036), Excellent Youth Foundation of Natural Science Foundation of Anhui Province (1808085J20), Technology Foundation for Selected Overseas Chinese Scholar, Ministry of Personnel of China (05015133) and Key projects of support program for outstanding young talents in Colleges and Universities (gxyqZD2016008).

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