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Constacyclic Codes and Some New Quantum MDS Codes

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3 Author(s)
Xiaoshan Kai ; Sch. of Math., Hefei Univ. of Technol., Hefei, China ; Shixin Zhu ; Ping Li

One central theme in quantum error-correction is to construct quantum codes that have a large minimum distance. Quantum maximal distance separable (MDS) codes are optimal in the sense they attain maximal minimum distance. Recently, constructing quantum MDS codes has received much attention and seems to become more and more difficult. In this paper, based on classical constacyclic codes, we construct some new quantum MDS codes by employing the Hermitian construction. Compared with the known quantum MDS codes, these quantum MDS codes have much larger minimum distance.

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Information Theory, IEEE Transactions on  (Volume:60 ,  Issue: 4 )