مقاله Computing the Szeged index of 4,4 ?-bipyridinium dendrimer
فايل اصلي مقاله Computing the Szeged index of 4,4 ?-bipyridinium dendrimer،به هيچ وجه بهم ريختگي وجود ندارد
بخشی از متن مقاله Computing the Szeged index of 4,4 ?-bipyridinium dendrimer : سال انتشار : 2012تعداد صفحات :10Let e be an edge of a G connecting the vertices u and v. Define two sets N1 (e | G) and N2(e |G) as N1(e | G)= {xV(G) d(x,u) d(x,v)} and N2(e | G)= {xV(G) d(x,v) d(x,u) }.The number of elements of N1(e | G) and N2(e | G) are denoted by n1(e | G) and n2(e | G) , respectively. The Szeged index of the graph G is defined as Sz(G) ( ) ( ) 1 2 n e G n e G e E . In this paper we compute the Szeged index of a 4,4 -Bipyridinium dendrimer.
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