3 papers
cs.IT2026
Tight Bandwidth Lower Bounds and Optimal Constructions of Locally Repairable Convertible Codes in the Global Split Regime
Haoming Shi, Weijun Fang
Erasure coding is a key technique for providing fault tolerance in modern distributed storage systems. In practice, as storage systems evolve, the parameters of the deployed erasur…
cs.IT2026
Private Information Retrieval from Joint Systematic MDS-Coded with Non-Colluding Servers: Bounds and Constructions
Jingke Xu, Lirong Shi, Peng Lan +1
Consider a distributed storage system consisting of non-colluding servers that collectively store a database of files encoded using an maximum distance separable(MD…
cs.IT2025
Deep Holes of Twisted Reed-Solomon Codes
Weijun Fang, Jingke Xu, Ruiqi Zhu
The deep holes of a linear code are the vectors that achieve the maximum error distance (covering radius) to the code. {Determining the covering radius and deep holes of linear cod…