A note on quadratic \(\sigma\)-polynomials (Q1111562)
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scientific article; zbMATH DE number 4075090
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A note on quadratic \(\sigma\)-polynomials |
scientific article; zbMATH DE number 4075090 |
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A note on quadratic \(\sigma\)-polynomials (English)
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1988
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In this note the author obtains an expression for the possible values of b in a quadratic \(\sigma\)-polynomial, \(\sigma^ 2+a\sigma +b\), for given a. This is simpler than the equivalent result given by \textit{S.-J. Xu} (see the previous review).
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chromatic polynomial
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sigma-polynomial
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quadratic \(\sigma\)-polynomial
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