Abstract
This paper is devoted to determining the structures and properties of one-Lee weight codes and two-Lee weight projective codes \(C_{k_1 ,k_2 ,k_3 } \) over \(\mathbb{F}_p + v\mathbb{F}_p^* \) with type \(p^{2k_1 } p^{k_2 } p^{k_3 } \). The authors introduce a distance-preserving Gray map from \((\mathbb{F}_p + v\mathbb{F}_p )^n \) to \(\mathbb{F}_p^{2n} \). By the Gray map, the authors construct a family of optimal one-Hamming weight p-ary linear codes from one-Lee weight codes over \(\mathbb{F}_p + v\mathbb{F}_p \), which attain the Plotkin bound and the Griesmer bound. The authors also obtain a class of optimal p-ary linear codes from two-Lee weight projective codes over \(\mathbb{F}_p + v\mathbb{F}_p \), which meet the Griesmer bound.
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This research was supported by the National Natural Science Foundation of China under Grant No. 61202068, Talented youth Fund of Anhui Province Universities under Grant No. 2012SQRL020ZD, and the Technology Foundation for Selected Overseas Chinese Scholar, Ministry of Personnel of China under Grant No. 05015133.
This paper was recommended for publication by Editor HU Lei.
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Shi, M., Solé, P. Optimal p-ary codes from one-weight and two-weight codes over \(\mathbb{F}_p + v\mathbb{F}_p^* \) . J Syst Sci Complex 28, 679–690 (2015). https://doi.org/10.1007/s11424-015-3265-3
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DOI: https://doi.org/10.1007/s11424-015-3265-3