σ-polynomials and graph coloring |
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| Authors: | Robert R Korfhage |
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| Affiliation: | 1. Department of Computer Science, Southern Methodist University, Dallas, Texas 75275 USA;2. Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico 87545 USA |
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| Abstract: | A new class of graph polynomials is defined. Tight bounds on the coefficients of the polynomials are given, and the exact polynomials for several classes of graphs are derived. The relationship of these polynomials to chromatic polynomials and graph coloring is discussed. |
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