The number of ways to label a structure |
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| Authors: | Frank Harary Edgar M. Palmer Ronald C. Read |
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| Affiliation: | (1) University of Michigan, USA;(2) University of the West Indies, India |
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| Abstract: | It has been observed that the number of different ways in which a graph withp points can be labelled isp! divided by the number of symmetries, and that this holds regardless of the species of structure at hand. In this note, a simple group-theoretic proof is provided.This work was supported by Grant MH 10834 from the National Institute of Mental Health. |
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