请输入您要查询的字词:
单词
四色定理
释义
四色定理
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
four-color theorem
四色定理
随便看
event driven executive
event-driven middleware
event-driven program
event-driven service-oriented architecture
event-driven task scheduling
event feedback
event filter
event flow network
event flow vector
event generators
even the machine pestle
event history
event history analysis
event horizon
event horizon of black hole
Event-Indexing Model of discourse comprehension
eventing water disaster
event listing
event logging
Event Marketing
event method
event mode
Event of Cuban Refugees
event of Mecca
Event of〝Water Monsters in the Shape of Human Beings Covered with Hair"
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:2026/10/21 17:21:02