论文信息 - DISTANCE-REGULAR DIGRAPHS OF GIRTH 6

DISTANCE-REGULAR DIGRAPHS OF GIRTH 6

We show that all intersection numbers of distance-regular short digraphs of girth 6 can be written by three parameters. Algebraically,i.e., at the level of C-algebras, we cannot reduce the number of parameters any more.

Tomihiko Takahashi

[1] R. M. Damerell. Distance-transitive and distance-regular digraphs , 1981, J. Comb. Theory, Ser. B.

[2] Robert A. Liebler,et al. Certain distance-regular digraphs and related rings of characteristic 4 , 1988, J. Comb. Theory, Ser. A.