2018
DOI: 10.1142/s0129054118500259
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On Self-Dual Four Circulant Codes

Abstract: Four circulant codes form a special class of 2-generator, index 4, quasi-cyclic codes. Under some conditions on their generator matrices they can be shown to be self-dual. Artin primitive root conjecture shows the existence of an infinite subclass of these codes satisfying a modified Gilbert-Varshamov bound.

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Cited by 14 publications
(6 citation statements)
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“…On the other side, double circulant LCD codes over Z 4 in [22], Z p 2 in [10] and Galois ring in [23] were studied, respectively. Further, for some related studies on these topics, interested readers can see [20,24,26,27,29]. Therefore, because of available works on non-chain rings [21,28], it is logical to investigate these codes over other semi-local non-chain rings.…”
Section: Introductionmentioning
confidence: 99%
“…On the other side, double circulant LCD codes over Z 4 in [22], Z p 2 in [10] and Galois ring in [23] were studied, respectively. Further, for some related studies on these topics, interested readers can see [20,24,26,27,29]. Therefore, because of available works on non-chain rings [21,28], it is logical to investigate these codes over other semi-local non-chain rings.…”
Section: Introductionmentioning
confidence: 99%
“…Later, circulant matrices have been shown to have applications in many disciplines, e.g., signal processing, image processing, networked systems, communications, and coding theory. Especially, (nonsingular) circulant matrices over nite elds and over commutative nite chain rings are applied in constructions of various families of linear codes (see [1], [2], [6], [9], [10], [11], [14], [17], [18], [19], and references therein). Circulant matrices have shown to have a closed connection with diagonal matrices (see, for example, [6] and [14]).…”
Section: Introductionmentioning
confidence: 99%
“…Later, circulant matrices have been shown to have applications in many disciplines, e.g., signal processing, image processing, networked systems, communications, and coding theory. Especially, (nonsingular) circulant matrices over finite fields and over commutative finite chain rings are applied in constructions of various families of linear codes (see [1], [5], [7], [9], [10], [11], [14], [17], [18], [19] , and references therein). Circulant matrices have shown to have a closed connection with diagonal matrices (see, for example, [5] and [14]).…”
Section: Introductionmentioning
confidence: 99%