双权码和二阶递归
Two-weight codes and second order recurrences
摘要:
证明了有限域上维数为$2$的循环码至多有两个非零权值.这扩展了Rao et al(2010)的一个构造,并反驳了Schmidt-White(2002)的一个猜想。计算了它们的权分布,并给出了它们的校验多项式的根是MDS的条件。
英文摘要:
Cyclic codes of dimension $2$ over a finite field are shown to have at most two nonzero weights. This extends a construction of Rao et al (2010) and disproves a conjecture of Schmidt-White (2002). We compute their weight distribution, and give a condition on the roots of their check polynomials for them to be MDS.
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