Non-Existence Criteria for Small Configurations
Judith Q. Longyear · Canadian Journal of Mathematics · 1973
For graph theoretic terms, see Tutte [1], A rank 2 tactical configuration of girth2gand order(s, t)may be regarded as a (1 +s,1 +t)-regularbipartite graph of girth2g.We assumes ≦ t.Using a technique of Friedman [2] we show (i) and (ii).