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MDS and near-MDS codes via twisted Reed–Solomon codes
Designs, Codes and Cryptography ( IF 1.6 ) Pub Date : 2022-07-14 , DOI: 10.1007/s10623-022-01049-9
Junzhen Sui , Xiaomeng Zhu , Xueying Shi

Maximum distance separable (MDS) codes are optimal in the sense that the minimum distance cannot be improved for a given length and code size. Twisted Reed–Solomon codes come from Reed–Solomon codes by adding a monomial. In this paper, we give a necessary and sufficient condition that twisted Reed–Solomon codes are MDS (near-MDS). Moreover, we prove that a lot of MDS codes, which are constructed via twisted Reed–Solomon codes, are not equivalent to Reed–Solomon codes.



中文翻译:

通过扭曲的 Reed-Solomon 代码实现的 MDS 和近似 MDS 代码

最大距离可分离 (MDS) 代码是最佳的,因为对于给定的长度和代码大小,最小距离无法改进。Twisted Reed-Solomon 码通过添加单项式来自 Reed-Solomon 码。在本文中,我们给出了扭曲的 Reed-Solomon 码是 MDS(near-MDS)的充要条件。此外,我们证明了许多通过扭曲的 Reed-Solomon 码构造的 MDS 码并不等同于 Reed-Solomon 码。

更新日期:2022-07-15
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