The least common multiple of random sets of positive integers

被引:17
作者
Cilleruelo, Javier [1 ]
Rue, Juanjo [2 ,3 ]
Sarka, Paulius [4 ,5 ]
Zumalacarregui, Ana [1 ]
机构
[1] Univ Autonoma Madrid, Inst Ciencias Matemat CSIC UAM UC3M UCM, E-28049 Madrid, Spain
[2] Univ Autonoma Madrid, Dept Matemat, E-28049 Madrid, Spain
[3] Free Univ Berlin, Inst Math, D-14195 Berlin, Germany
[4] Inst Math & Informat, LT-08663 Vilnius, Lithuania
[5] Vilnius State Univ, Dept Math & Informat, LT-03225 Vilnius, Lithuania
关键词
Least common multiple; Random sequences;
D O I
10.1016/j.jnt.2014.04.011
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the typical behavior of the least common multiple of the elements of a random subset A subset of {1, ... , n}. For example we prove that lcm{a: a is an element of A} = 2(n(1+o(1))) for almost all subsets A subset of {1, ..., n). (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:92 / 104
页数:13
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