数学季刊 ›› 2009, Vol. 24 ›› Issue (1): 46-52.

• • 上一篇    下一篇

色多项式对图的刻画

  

  1. 1. Department of Mathematics, Qinghai Nationalities University2. Department of Mathematics, Qinghai Normal University

  • 收稿日期:2005-04-21 出版日期:2009-03-30 发布日期:2023-09-06
  • 作者简介:MA Hai-cheng(1965- ), male, native of Menyuan, Qinghai, a professor of Qinghai Nationalities University, engages in algebraic graph theory.
  • 基金资助:
     Supported by the NNSF of China(10861009); Supported by the Ministry of Education Science and Technology Item of China(206156);

Graph Description by the Chromatic Polynomials 

  1. 1. Department of Mathematics, Qinghai Nationalities University2. Department of Mathematics, Qinghai Normal University
  • Received:2005-04-21 Online:2009-03-30 Published:2023-09-06
  • About author:MA Hai-cheng(1965- ), male, native of Menyuan, Qinghai, a professor of Qinghai Nationalities University, engages in algebraic graph theory.
  • Supported by:
     Supported by the NNSF of China(10861009); Supported by the Ministry of Education Science and Technology Item of China(206156);

摘要: By means of the chromatic polynomials, this paper provided a necessary and sufficient condition for the graph G being a mono-cycle graph(the Theorem 1), a first class bi-cycle graph and a second class bicycle graph(the Theorem 2), respectively.

关键词: mono-cycle graph, bi-cycle graph, chromatic polynomial, chromatic equivalence

Abstract: By means of the chromatic polynomials, this paper provided a necessary and sufficient condition for the graph G being a mono-cycle graph(the Theorem 1), a first class bi-cycle graph and a second class bicycle graph(the Theorem 2), respectively.

Key words: mono-cycle graph, bi-cycle graph, chromatic polynomial, chromatic equivalence

中图分类号: