新进化论

摘要： 首先要了解什么是cyclic groupIn group theory, a cyclic group is a group that can be generated by a single element, in the sense that the group has an element g (called a "generator" of the group) such that, wh... 阅读全文

摘要： http://www.limited-entropy.com/discrete-log 阅读全文

摘要： 数论的基本知识本文将简单地介绍有关整数集合Z={…,-2,-1,0,1,2,…}和自然数集合N={0,1,2,…}的最基本的数论概念。可除性与约数一个整数能被另一个整数整除的概念是数论中的一个中心概念，记号d|a（读作“d 除a”）意味着对某个整数k，有 a = kd。0可被每个整数整除。如果a>0且d|a，则|d|≤|... 阅读全文

摘要： see also:openwan.orgJump to a letter in the glossarynumeric A B C D E F G H I J K L M N O P Q R S T U V W X Y ZOther glossariesOther glossaries which overlap this one include:The VPN Consortium's glos... 阅读全文