Clar Covers of Overlapping Benzenoids: Case of Two Identically-Oriented Parallelograms

We present a complete set of closed-form formulas for the ZZ polynomials of five classes of composite Kekuléan benzenoids that can be obtained by overlapping two parallelograms: generalized ribbons <inline-formula><math display="inline"><semantics><mrow><mi>R&...

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Bibliographic Details
Main Authors: Henryk A. Witek, Johanna Langner
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Symmetry
Subjects:
Online Access:https://www.mdpi.com/2073-8994/12/10/1599