2023Journal of Combinatorial DesignsRequires access

Exceptional designs in some extended quadratic residue codes

Reina Ishikawa

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Abstract

Abstract In the present paper, we give proofs of the existence of a 3‐design in the extended ternary quadratic residue code of length 14 and the extended quaternary quadratic residue code of length 18.

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What this paper is about

Abstract In the present paper, we give proofs of the existence of a 3‐design in the extended ternary quadratic residue code of length 14 and the extended quaternary quadratic residue code of length 18.

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Available abstract

Abstract In the present paper, we give proofs of the existence of a 3‐design in the extended ternary quadratic residue code of length 14 and the extended quaternary quadratic residue code of length 18.

Key concepts: Quadratic residue, Mathematics, Mathematical proof, Residue (chemistry), Ternary operation, Quadratic equation, Legendre symbol, Combinatorics

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