genus The maximum number of times a surface can be cut along simple closed curves without the surface separating into disconnected parts. It is the same as the number of handles on the surface.
genus
A surface of genus 1
数学辞典收录了4151条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。