Boben, Marko; Grünbaum, Branko; Pisanski, Tomaz; Zitnik, Arjana
(2006)
In this paper we show that all combinatorial triangle-free configurations (v_3) for v (is less than or equal to) 8 are geometrically realizable. We also show that there is a unique smallest astral (18_3) triangle-free ...