摘要
In this paper, we construct some 1（1/2）-designs, which are also known as partial geometric designs, using totally isotropic subspaces of the unitary space. Phrthermore, these 1（1/2）-designs yield six infinite families of directed strongly regular graphs.
In this paper, we construct some 1（1/2）-designs, which are also known as partial geometric designs, using totally isotropic subspaces of the unitary space. Phrthermore, these 1（1/2）-designs yield six infinite families of directed strongly regular graphs.
作者
Rongquan Feng
Yang Zhang
Rongquan Feng Yang Zhang(LMAM, School of Mathematical Sciences, Peking University Beijing 100871, China Department of Mathematics and Statistics, Texas Tech University Lubbock, TX 79409, USA)
