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arXiv 1008.0189math.CO
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多项式概型中子集的新参数

New parameters of subsets in polynomial schemes

Sho Suda

摘要:

本文定义了$P$ -或$Q$ -多项式格式中子集的新参数,零区间和对偶零区间. $P$ -多项式方案中子集的零区间是内部分布为零的连续区间索引,并且$Q$ -多项式方案中子集的对偶零区间是对偶内部分布为零的连续区间索引。分别利用度和对偶度导出了零区间和对偶零区间的长度的界,并证明了$P$ -多项式格式中的子集(分别为. $Q$ -多项式方案)具有大长度的零间隔(分别是,双零间隔)引起完全规则的代码(分别,$Q$ -多项式方案)。此外,我们考虑了一个对偶零区间的球面模拟。

英文摘要:

We define new parameters, a zero interval and a dual zero interval, of subsets in $P$- or $Q$-polynomial schemes. A zero interval of a subset in a $P$-polynomial scheme is a successive interval index for which the inner distribution vanishes, and a dual zero interval of a subset in a $Q$-polynomial scheme is a successive interval index for which the dual inner distribution vanishes. We derive the bounds of the lengths of a zero interval and a dual zero interval using the degree and dual degree respectively, and show that a subset in a $P$-polynomial scheme (resp. a $Q$-polynomial scheme) having a large length of a zero interval (resp. a dual zero interval) induces a completely regular code (resp. a $Q$-polynomial scheme). Moreover, we consider the spherical analogue of a dual zero interval.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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