Planar Graphs whose Second Largest Eigenvalue Smaller than ■
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作者:
Zihao GENG
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机构:
Department of Mathematics, East China University of Science and TechnologyDepartment of Mathematics, East China University of Science and Technology
Zihao GENG
[1
]
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机构:
Jiming GUO
[1
]
机构:
[1] Department of Mathematics, East China University of Science and Technology
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 ■ are characterized.