Abstract
MDS symbol-pair codes forms an optimal class of symbol-pair codes for their best error-correction capability. \(\psi \)-constacyclic codes of length \(p^s\) over \(\mathfrak {R}=\mathbb {F}_{q}+ u\mathbb {F}_{q} + u^{2}\mathbb {F}_{q}\,\, (u^3=0)\), where \(q=p^m \), \(\psi \) is a nonzero element of \(\mathbb {F}_{q}\), are precisely the ideals of the ring \( {\mathfrak {R}[x]}/{\langle x^{p^s}-\psi \rangle } \) which is a local finite non chain ring with the non principal maximal ideal \(\langle u, x-\varphi \rangle \), where \( \varphi \in \mathbb {F}_{q} \) satisfying \( \psi =\varphi ^{p^s} \). In this paper, all MDS symbol-pair \(\psi \)-constacyclic codes of length \(p^s\) over \(\mathfrak {R}\) are established.
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Laaouine, J., Dinh, H.Q., Charkani, M.E. et al. MDS symbol-pair repeated-root constacylic codes of prime power lengths over \(\mathbb {F}_{q}+ u\mathbb {F}_{q} + u^{2}\mathbb {F}_{q} \). J. Appl. Math. Comput. 69, 219–250 (2023). https://doi.org/10.1007/s12190-022-01738-7
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DOI: https://doi.org/10.1007/s12190-022-01738-7