In this paper,a new method is used to calculate the chromatic polynomials of graphs.The chro-matic polynomials of the complements of a wheel and a fan are determined.Furthermore,the adjoint polynomialsof F_n with n ve...In this paper,a new method is used to calculate the chromatic polynomials of graphs.The chro-matic polynomials of the complements of a wheel and a fan are determined.Furthermore,the adjoint polynomialsof F_n with n vertices are obtained.This supports a conjecture put forward by R.Y.Liu et al.展开更多
基金Supported by Foundation of Beijing Jiaotong University and by the National Natural Science Foundation of China (No.10271017,No.60373030) and Beijing National Science Foundation (No.1012003)
文摘In this paper,a new method is used to calculate the chromatic polynomials of graphs.The chro-matic polynomials of the complements of a wheel and a fan are determined.Furthermore,the adjoint polynomialsof F_n with n vertices are obtained.This supports a conjecture put forward by R.Y.Liu et al.