A note on quadratic \(\sigma\)-polynomials
type: Item
instance of: scholarly article
title: A note on quadratic \(\sigma\)-polynomials
zbMATH Open document ID: 0658.05026
DOI: 10.1016/0012-365X(88)90018-0
author: Robert R. Korfhage
published in: Discrete Mathematics
publication date: 1988-01-01T00:00:00Z
review text: 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).
Mathematics Subject Classification ID: 05C15
zbMATH DE Number: 4075090
zbMATH Keywords: chromatic polynomial
zbMATH Keywords: sigma-polynomial
zbMATH Keywords: quadratic \(\sigma\)-polynomial
reviewed by: Ronald C. Read
MaRDI profile type: Publication
cites work: On \(\sigma\)-polynomials
full work available at URL: 0012-365x(88)90018-0
OpenAlex ID: W2025629121
description: scientific article; zbMATH DE number 4075090