论文标题
有很多（-1,1）-Carmichael编号
There are infinitely many (-1,1)-Carmichael numbers
论文作者
论文摘要
我们证明，存在无限的许多（-1,1）-Carmichael数字，即无平方的复合整数n，使得P+1对每个prime P除法n划分n-1。
We prove that there exist infinitely many (-1,1)-Carmichael numbers, that is, square-free, composite integers n such that p+1 divides n-1 for each prime p dividing n.
