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<p>We study the Hermitian hull of a particular family of generalized Reed–Solomon codes. The problem of computing the dimension of the hull is translated to a counting problem in a lattice. By solving this problem, we provide explicit formulas for the dimension of the hull, which determines the minimum number required of maximally entangled pairs for the associated entanglement-assisted quantum error-correcting codes. This flexible construction allows to obtain a wide range of entanglement-assisted quantum MDS codes, as well as new parameters.</p>

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Hermitian hull of some GRS codes and new entanglement-assisted quantum MDS codes

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月30日

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  • Oisin Campion,
  • Rodrigo San-José

摘要

We study the Hermitian hull of a particular family of generalized Reed–Solomon codes. The problem of computing the dimension of the hull is translated to a counting problem in a lattice. By solving this problem, we provide explicit formulas for the dimension of the hull, which determines the minimum number required of maximally entangled pairs for the associated entanglement-assisted quantum error-correcting codes. This flexible construction allows to obtain a wide range of entanglement-assisted quantum MDS codes, as well as new parameters.