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Quantum codes from σ-dual-containing constacyclic codes over R l , k
AIMS Mathematics 2023, 8(10): 24075-24086
Published: 15 October 2023
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Let R l , k = F p m [ u 1 , u 2 , , u k ] / u i l = u i , u i u j = u j u i = 0 , where p is a prime, l is a positive integer, ( l 1 ) ( p 1 ) and 1 i , j k. First, we define a Gray map ϕ l , k from R l , k n to F p m ( ( l 1 ) k + 1 ) n , and study its Gray image. Further, we study the algebraic structure of σ-self-orthogonal and σ-dual-containing constacyclic codes over R l , k , and give the necessary and sufficient conditions for λ-constacyclic codes over R l , k to satisfy σ-self-orthogonal and σ-dual-containing. Finally, we construct quantum codes from σ-dual-containing constacyclic codes over R l , k using the CSS construction or Hermitian construction and compare new codes our obtained better than the existing codes in some recent references.

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