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Some nonexistence results for (v,m,k,pq)-strong external difference families
Journal of Combinatorial Theory Series A ( IF 0.9 ) Pub Date : 2021-12-23 , DOI: 10.1016/j.jcta.2021.105575 Ka Hin Leung , Theo Fanuela Prabowo
中文翻译:
(v,m,k,pq)-强外部差异族的一些不存在结果
更新日期:2021-12-23
Journal of Combinatorial Theory Series A ( IF 0.9 ) Pub Date : 2021-12-23 , DOI: 10.1016/j.jcta.2021.105575 Ka Hin Leung , Theo Fanuela Prabowo
In this paper, we derive some restrictions and nonexistence results for -strong external difference families (SEDFs), where p and q are primes. We first show that there is no abelian -SEDF with . If , we show that if is a power of two; or or 4r for some prime , then there is no abelian -SEDF with for all sufficiently large primes p. Furthermore, we completely rule out the existence of abelian -SEDF with in case .
中文翻译:
(v,m,k,pq)-强外部差异族的一些不存在结果
在本文中,我们推导出了一些限制和不存在的结果 - 强外部差分族 (SEDF),其中p和q是素数。我们首先证明不存在阿贝尔-SEDF 与 . 如果,我们证明如果 是二的幂;或者或 4 r为一些素数,那么没有阿贝尔 -SEDF 与 对于所有足够大的素数p。此外,我们完全排除了阿贝尔的存在-SEDF 与 以防万一 .