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|Title:||Hypoenergetic molecular graphs|
|Abstract:||The energy E of a (molecular) graph is equal to the sum of the absolute values of its eigenvalues. A molecular graph is said to be hypoenergetic if E<n, where n is the number of vertices. There are only four hypoenergetic graphs with maximal vertex degree not exceeding 3, i.e. graphs representing conjugated π-electron systems. However, there are infinitely many hypoenergetic graphs with maximal vertex degree equal to 4, i.e. molecular graphs of saturated hydrocarbons.|
|Appears in Collections:||IJC-A Vol.46A(11) [November 2007]|
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