It is proved that every finite graph with n≧7 vertices and at least $\frac{9}{2}\mathrm{n}-12$ edges which is not a 4-cockade composed of complete 6-graphs and/or complete 8-graphs with four ...

Mathematica Scandinavica has been published regularly since 1953. Mathematica Scandinavica is a non-profit company, which is operated by the five mathematical societies in Scandinavia. It is the aim ...