Huawei Wu

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cs.IT2026

Optimal Repair Bandwidth and Repair I/O of $(n, n - 2, 2)$ MDS Array Codes

Huawei Wu

We give a complete determination of the exact optimal worst-case repair bandwidth and repair I/O for linear exact repair of $(n, n - 2, 2)$ MDS array codes over every finite field $\ma…

cs.IT2026

The Incidence-Multiplicity Bound for Linear Exact Repair in MDS Array Codes

Huawei Wu

We study linear exact repair for $(n, k, ℓ)$ MDS array codes over $F_{q}$ , with redundancy $r = n - k$ , in the regime where $q$ , $r$ , and $ℓ$ are fixed and the code length $…

cs.IT2026

Linear Exact Repair in MDS Array Codes: A General Lower Bound and Its Attainability

Hai Liu, Huawei Wu

For an $(n, k, ℓ)$ MDS array code over $F_{q}$ , how small can the repair bandwidth and repair I/O be under linear exact repair? We study this question in the regime where t…

Optimal Repair Bandwidth and Repair I/O of (n,n−2,2) MDS Array Codes

The Incidence-Multiplicity Bound for Linear Exact Repair in MDS Array Codes

Linear Exact Repair in MDS Array Codes: A General Lower Bound and Its Attainability

Optimal Repair Bandwidth and Repair I/O of $(n, n - 2, 2)$ MDS Array Codes