一类结合方案的简化和某些PBIB设计中的问题  

THE REDUCTION OF A KIND OF ASSOCIATION SCHEME AND THE PROBLEMS OF SOME PBIB DESIGNS

作　　者：魏万迪[1] 阳本傅[1] 

机构地区：[1]四川大学数学系,成都师专数学系

出　　处：《四川大学学报（自然科学版）》1994年第3期316-319,共4页Journal of Sichuan University(Natural Science Edition)

摘　　要：指出现有文献中构作的一类具有ｑ个（ｑ是一个素数的幂）结合类的结合方案可以简化为一类具有两个结合类的结合方案，并指出了其它文献中一些ＰＢＩＢ设计的错误。It is indicated that the association scheme with q( q is a prime power)associate classeswhich was constructed in reference[1] can be reduced to an one with two associate classes ,and thatsome PBIB designs which were constructed in references[1] and[2] are incorrect。

关 键 词：有限几何 结合方案 PBIB设计 

分 类 号：O157.3[理学—数学]