题目：Abelian group-invariant Steiner quadruple systems

报告人: 季利均教授, 苏州大学

Abstract:  Let K be an abelian group of order v. A Steiner quadruple system of order v (SQS(v)) (K, B) is called K-invariant if for each B B, it holds that B+x B for each x K. In this talk, we survey known constructions of cyclic SQSs, rotational SQSs, Z  Zn-invariant SQSs.

Some infinite class of these group-invariant SQSs and the related  optimal optical orthogonal  codes are also listed.

时间：10月20日（周六）上午8:30--9:30

地点：首都师大新教2楼 727 教室

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