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
Rayleigh scattering spectrophotometry
Rayleigh scattering thermometry
Rayleigh Schrodinger perturbation theory
Rayleigh-Schrodinger perturbation theory
Rayleigh Schrödinger perturbation theory
Rayleigh-Schrödinger perturbation theory
Rayleigh-Schr⍥dinger series
Rayleigh's criterion
Rayleigh Sommerfeld diffraction formula
Rayleigh-Sommerfeld diffraction formula
Rayleigh surface wave
Rayleigh Taylor instability
Rayleigh- Taylor instability
Rayleigh-Taylor instability
Rayleigh theorem
Rayleight Rice model
Rayleight-Rice model
Rayleigh wave
Rayleigh wave equation
Rayleigh-wing scattering
Rayleigh’s curve
Rayli
ray matrix
ray method
ray mode theory
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:2025/7/28 16:50:47