摘要
利用集合间的对应关系阐述了鸽笼原理的映射背景;对解题中“鸽笼设计”的思考与分析;同笼最小重鸽数的确定及其某些应用.
This paper describes three questions;that is,the mapping background of pigeonhole principle by using the corresponding relation between different sets;the thought and analysis of the'pigeonhole design'used in solution;the estimation of the minimum unmber in the pigeonhole and its application.
出处
《天津纺织工学院学报》
北大核心
1995年第2期134-138,共5页
Journal of the Tianjin Institute of Textile Science and Technology
关键词
鸽笼原理
映射
同笼最小重鸽散
设计
pigeonhole principle,mapping,the minimun number in pigeonhole.