engleski

The reduced graph model revisited

The reduced graph model used for counting Kekule' structures of benzenoid hydrocarbons is improved. The improvement is based on the Pascal recurrence algorithm for enumerating self-avoiding peak-to-valley paths and the John-Rempel-Sachs theorem. The improved version, unlike the original form, of the model, is applicable in principle to any benzenoid hydrocarbon.

large benzenoid hydrocarbons ; kekule structures ; conjugated hydrocarbons

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