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Szeged polynomial and edge szeged polynomial of certain special molecular graphs

Yun Gao, Li Liang, Wei Gao

The Szeged polynomial and edge Szeged polynomial aredistance-based topological parameters which reflect certain structural features of organic molecules. Each structural feature of such organic moleculecan be expressed as a graph. In this paper, we determine theSzeged polynomial and edge Szeged polynomialof fan molecular graph, wheel molecular graph, gear fan molecular graph, gear wheel molecular graph, and their rcorona molecular graphs.