This paper presents a construction of a symmetric association scheme and a set of PBIB designs of class q+1 based on the finite singular unitary geometries.
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- 用有限奇异酉几何中的1维非迷向子空间作处理构作了多个结合类的对称结合方案和相应的一些PBIB设计；并计算了全部参数.
