请输入您要查询的字词：
单词
four color theorem
释义
four color theorem
Encyclopedia
理学
旅行售货商问题
释
four color theorem
四色定理
设图G是一个平面图，图G的面染色（face coloring）是从G的面集合到某个给定颜色集合的映射。进一步，如果图G的某个面染色的颜色集合中有k种颜色，那么称这个面染色为k-面染色（k-face coloring）。图G的k-面染色称为正常k-面染色（proper k-face coloring），如果具有公共边的面染不同颜色，此时称图G是k-面可染的（proper k-face colorable）。四色定理的内容如下：每个无割边的平面图都是4-面可染的。
Mathematics
＞组合数学、组合设计与图论＞图论＞释义
four-color theorem
四色定理
随便看
Comprehensive Geography of Ming Dynasty
comprehensive geological survey
comprehensive geological survey of islands
comprehensive geophysical profiling of gravity, magnetic, and magnetotelluric methods
comprehensive governance of social security
comprehensive graphs of borehole
comprehensive guidance radar
comprehensive health care of children’s oral disease
comprehensive high school
Comprehensive Implementation Plan for Deepening Rural Reform
comprehensive indexing
comprehensive index method
comprehensive index of soil pollution
comprehensive indicator
comprehensive industrial grade
comprehensive influence of museum
comprehensive information system of water conservancy
comprehensive innovation and reform pilot area
comprehensive inspection train
Comprehensive Integration Method of Social SystemEngineering
comprehensive intervention models
comprehensive investigation and evaluation on the offshore oceans of China
comprehensive kill assessment
comprehensive language dictionary
comprehensive learning time
科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间：2025/12/13 1:22:42