Abstract
This paper firstly gives some necessary conditions on one-Gray weight linear codes. And then we use these results to construct several classes of one-Gray weight linear codes over ℤ4+uℤ4(u 2 = u) with type \({16^{{k_1}}}{8^{{k_2}}}{8^{{k_3}}}{4^{{k_4}}}{4^{{k_5}}}{4^{{k_6}}}{2^{{k_7}}}{2^{{k_8}}}\) based on a distance-preserving Gray map from (ℤ4 + uℤ4)n to ℤ 2n4 . Secondly, the authors use the similar approach to do works on two-Gray (projective) weight linear codes. Finally, some examples are given to illustrate the construction methods.
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This research was supported by the National Natural Science Foundation of China under Grant Nos. 61672036 and 61202068, the Open Research Fund of National Mobile Communications Research Laboratory, Southeast University under Grant No. 2015D11, Technology Foundation for Selected Overseas Chinese Scholar, Ministry of Personnel of China under Grant No. 05015133 and Key projects of support program for outstanding young talents in Colleges and Universities under Grant No. gxyqZD2016008.
This paper was recommended for publication by Editor ZHANG Zhifang.
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Shi, M., Wang, D., Gao, J. et al. Construction of one-gray weight codes and two-Gray weight codes over ℤ4 + uℤ4 . J Syst Sci Complex 29, 1472–1484 (2016). https://doi.org/10.1007/s11424-016-5286-y
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DOI: https://doi.org/10.1007/s11424-016-5286-y