Some edge-magic cubic graphs
Wai Chee Shiu, S. M. Lee · HKBU Institutional Repository (Hong Kong Baptist University) · 2002
It was conjectured by Lee that a cubic simple graph with 4k + 2 vertices is edge-magic [5]. In this paper we show that the conjecture is not true for multigraphs or disconnected simple graphs in general. Several new classes of cubic edge-magic graphs are exhibited.