Almost difference sets in nonabelian groups
Almost difference sets in nonabelian groups
复制标题
非阿贝尔群中的几乎差集
DOI:
10.1007/s10623-018-0519-9
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发表时间:
2017-09
期刊:
影响因子:
--
通讯作者:
Qi Wang
中科院分区:
文献类型:
--
作者:
Jerod Michel;Qi Wang
We give two new constructions of almost difference sets. The first is a generic construction ofalmost difference sets in certain groups of order(qis an odd prime power) having (as a subgroup. This construction yields several infinite families of almost difference sets, many of which occur in nonabelian groups. The second construction yieldsalmost difference sets in dihedral groups of order 4pwhereis a prime. Moreover, it turns out that some of the infinite families of almost difference sets obtained produce Cayley graphs which are Ramanujan graphs.
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