Detecting perfect powers in essentially linear time

被引:26
|
作者
Bernstein, DJ [1 ]
机构
[1] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA
关键词
D O I
10.1090/S0025-5718-98-00952-1
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
This paper (1) gives complete details of an algorithm to compute approximate kth roots; (2) uses this in an algorithm that, given an integer n > 1, either writes n as a perfect power or proves that n is not a perfect power; (3) proves, using Loxton's theorem on multiple linear forms in logarithms, that this perfect-power decomposition algorithm runs in time (log n)(1+o(1)).
引用
收藏
页码:1253 / 1283
页数:31
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