Chromatic sums revisited
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This paper discusses some equations arising in the author’s work on “chromatic sums”. The main results were presented in a series of papers extending from 1973 to 1982. The object here is to give a unified and simplified account of the elimination of unwanted variables from the initial equation, leading to the final identification of the desired chromatic sums as the coefficients in a power series satisfying a certain differential equation.
KeywordsPower Series Constant Term Polynomial Identity Chromatic Polynomial Special Invariant
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- Beraha, S., Private communication.Google Scholar