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k-resonance in Toroidal Polyhexes*

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Abstract

This paper considers the k -resonance of a toroidal polyhex (or toroidal graphitoid) with a string (p, q, t) of three integers (p ≥ 2, q ≥ 2, 0 ≤ tp − 1). A toroidal polyhex G is said to be k-resonant if, for 1≤ ik, any i disjoint hexagons are mutually resonant, that is, G has a Kekulé structure (perfect matching) M such that these hexagons are M-alternating (in and off M). Characterizations for 1, 2 and 3-resonant toroidal polyhexes are given respectively in this paper.

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Correspondence to Wai Chee Shiu.

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*This work is supported by FRG, Hong Kong Baptist University; NSFC and TRAPOYT.

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Shiu, W.C., Lam, P.C.B. & Zhang, H. k-resonance in Toroidal Polyhexes*. J Math Chem 38, 451–466 (2005). https://doi.org/10.1007/s10910-004-6897-4

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  • DOI: https://doi.org/10.1007/s10910-004-6897-4

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