首页|Planar Graphs whose Second Largest Eigenvalue Smaller than √5-1/2
Planar Graphs whose Second Largest Eigenvalue Smaller than √5-1/2
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A graph G is said to be planar if G can be drawn on the plane in such a way that its edges intersect only at their endpoints.In this paper,all the planar graphs without isolated vertices whose second largest eigenvalue smaller than√5-1/2are characterized.
planar graphthe second largest eigenvaluecomplete product
Zihao GENG、Jiming GUO
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Department of Mathematics,East China University of Science and Technology,Shanghai 200237,P.R.China