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RISS 인기검색어
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- 저자 : Nesibe Tufekci (검색결과 2 건)
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New extremal binary self-dual codes of lengths 66 and 68 from codes over Rk,m
Abidin Kaya,Nesibe Tufekci 대한수학회 2017 대한수학회보 Vol.54 No.1
In this work, four circulant and quadratic double circulant (QDC) constructions are applied to the family of the rings $R_{k,m}$. Self-dual binary codes are obtained as the Gray images of self-dual QDC codes over $ R_{k,m}$. Extremal binary self-dual codes of length 64 are obtained as Gray images of $\lambda$-four circulant codes over $R_{2,1}$ and $R_{2,2}$. Extremal binary self-dual codes of lengths 66 and 68 are constructed by applying extension theorems to the $\mathbb{F}_{2}$ and $R_{2,1}$ images of these codes. More precisely, 10 new codes of length 66 and 39 new codes of length 68 are discovered. The codes with these weight enumerators are constructed for the first time in literature. The results are tabulated.
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NEW EXTREMAL BINARY SELF-DUAL CODES OF LENGTHS 66 AND 68 FROM CODES OVER R<sub>k,m</sub>
Kaya, Abidin,Tufekci, Nesibe Korean Mathematical Society 2017 대한수학회보 Vol.54 No.1
In this work, four circulant and quadratic double circulant (QDC) constructions are applied to the family of the rings $R_{k,m}$. Self-dual binary codes are obtained as the Gray images of self-dual QDC codes over $R_{k,m}$. Extremal binary self-dual codes of length 64 are obtained as Gray images of ${\lambda}-four$ circulant codes over $R_{2,1}$ and $R_{2,2}$. Extremal binary self-dual codes of lengths 66 and 68 are constructed by applying extension theorems to the ${\mathbb{F}}_2$ and $R_{2,1}$ images of these codes. More precisely, 10 new codes of length 66 and 39 new codes of length 68 are discovered. The codes with these weight enumerators are constructed for the first time in literature. The results are tabulated.
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