Constructions of 11/2-Designs from Unitary Geometry over Finite Fields

• 来源期刊: 代数集刊（英文版）
• 关键词: 11/2-design,unitary space totally isotropic subspace directed strongly regular graph
• 年，卷（期）: 2017,（3）
• 页码范围: 381-392
• 页数: 12页
• 语种: 英文
• DOI: 10.1142/S1005386717000232

摘要

In this paper,we construct some 11/2-designs,which are also known as partial geometric designs,using totally isotropic subspaces of the unitary space.Furthermore,these 11/2-designs yield six infinite families of directed strongly regular graphs.