On optimal quantum LRCs from the Hermitian construction and $t$-designs

Fuente: arXiv
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Auteurs principaux: Li, Yang, Li, Shitao, Lao, Huimin, Luo, Gaojun, Ling, San
Format: Preprint
Publié: 2025
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author Li, Yang
Li, Shitao
Lao, Huimin
Luo, Gaojun
Ling, San
author_facet Li, Yang
Li, Shitao
Lao, Huimin
Luo, Gaojun
Ling, San
contents In a recent work, quantum locally recoverable codes (qLRCs) have been introduced for their potential application in large-scale quantum data storage and implication for quantum LDPC codes. This work focuses on the bounds and constructions of qLRCs derived from the Hermitian construction, which solves an open problem proposed by Luo $et~al.$ (IEEE Trans. Inf. Theory, 71 (3): 1794-1802, 2025). We present four bounds for qLRCs and give comparisons in terms of their asymptotic formulas. We construct several new infinite families of NMDS codes, with general and flexible dimensions, that support t-designs for $t\in \{2,3\}$, and apply them to obtain Hermitian dual-containing classical LRCs (cLRCs). As a result, we derive three explicit families of optimal qLRCs. Compared to the known qLRCs obtained by the CSS construction, our optimal qLRCs offer new and more flexible parameters. It is also worth noting that the constructed cLRCs themselves are interesting as they are optimal with respect to four distinct bounds for cLRCs.
format Preprint
id arxiv_https___arxiv_org_abs_2508_13553
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On optimal quantum LRCs from the Hermitian construction and $t$-designs
Li, Yang
Li, Shitao
Lao, Huimin
Luo, Gaojun
Ling, San
Information Theory
In a recent work, quantum locally recoverable codes (qLRCs) have been introduced for their potential application in large-scale quantum data storage and implication for quantum LDPC codes. This work focuses on the bounds and constructions of qLRCs derived from the Hermitian construction, which solves an open problem proposed by Luo $et~al.$ (IEEE Trans. Inf. Theory, 71 (3): 1794-1802, 2025). We present four bounds for qLRCs and give comparisons in terms of their asymptotic formulas. We construct several new infinite families of NMDS codes, with general and flexible dimensions, that support t-designs for $t\in \{2,3\}$, and apply them to obtain Hermitian dual-containing classical LRCs (cLRCs). As a result, we derive three explicit families of optimal qLRCs. Compared to the known qLRCs obtained by the CSS construction, our optimal qLRCs offer new and more flexible parameters. It is also worth noting that the constructed cLRCs themselves are interesting as they are optimal with respect to four distinct bounds for cLRCs.
title On optimal quantum LRCs from the Hermitian construction and $t$-designs
topic Information Theory
url https://arxiv.org/abs/2508.13553