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On the minimum real roots of the adjoint polynomial of a graph |
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| Authors: | Haixing Zhao Ruying Liu |
| Institution: | Department of Mathematics, Qinghai Normal University, Xining, Qinghai 810008, PR China |
| Abstract: | For a graph G, we denote by h(G,x) the adjoint polynomial of G. Let β(G) denote the minimum real root of h(G,x). In this paper, we characterize all the connected graphs G with  . |
| Keywords: | Graph _method=retrieve& _eid=1-s2 0-S0012365X09000247& _mathId=si19 gif& _pii=S0012365X09000247& _issn=0012365X& _acct=C000054348& _version=1& _userid=3837164& md5=42d501c9a075b1792b9ae97cfea96e0e')" style="cursor:pointer σ-polynomial" target="_blank">" alt="Click to view the MathML source" title="Click to view the MathML source">σ-polynomial Adjoint polynomial Minimum real root |
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