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cs.IT2021
A Characterization of MDS Symbol-pair Codes over Two Types of Alphabets
Xilin Tang, Weixian Li, Wei Zhao
Symbol-pair codes are block codes with symbol-pair metrics designed to protect against pair-errors that may occur in high-density data storage systems. MDS symbol-pair codes are op…
cs.IT2021
Repeated-root Constacyclic Codes with Optimal Locality
Wei Zhao, Kenneth W. Shum, Shenghao Yang
A code is called a locally repairable code (LRC) if any code symbol is a function of a small fraction of other code symbols. When a locally repairable code is employed in a distrib…