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Characterization of Chemical Structures by the Atomic Counts of Self-Returning Walks: On the Construction of Isocodal Graphs

Ovidiu Ivanciuc ; Department of Organic Chemistry, Faculty of Chemical Technology, University »Politehnica« of Bucharest, Splaiul Independentei 313, 77206 Bucharest, Roumania
Alexandru T. Balaban ; Department of Organic Chemistry, Faculty of Chemical Technology, University »Politehnica« of Bucharest, Splaiul Independentei 313, 77206 Bucharest, Roumania

Sažetak

A characterization of chemical structures based on counting selfreturning walks in a molecular graph is found to be degenerate for certain pairs of isospectral graphs. On the basis of endospectral graphs, we present (without proof) two theorems for constructing pairs of nonisomorphic graphs with identical atomic counts of self-returning walks.

Ključne riječi

Hrčak ID:

135945

URI

https://hrcak.srce.hr/135945

Datum izdavanja:

4.3.1996.

Posjeta: 641 *