Graphs with chromatic polynomial Σl≤m0 (l/m0-l)(λ)l

Authors:
Chengfu Ye;Nianzu Li
Affiliations:
Department of Mathematics, Qinghai Normal University, Xining, Qinghai 810008, People's Republic of China;Shanghai Second Polytechnic University, 80 Shanxi Bei Lu, Shanghai 200041, People's Republic of China
Venue:
Discrete Mathematics
Year:
2002

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Adjoint polynomials and chromatically unique graphs

CPRT '94 Proceedings of the conference on Chromatic polynomials and related topics
Graph Theory With Applications

Graph Theory With Applications

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Abstract

In this paper, using the properties of chromatic polynomial and adjoint polynomial, we characterize all graphs having chromatic polynomial Σl≤m0(1 m0—1)(λ)l.