Sets of monotonicity for Euler’s totient function
Sets of monotonicity for Euler’s totient function
复制标题
欧拉 totient 函数的单调性集
DOI:
10.1007/s11139-012-9386-6
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
Enrique Treviño
中科院分区:
文献类型:
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作者:
P. Pollack;C. Pomerance;Enrique Treviño
We study subsets of [1,x] on which the Euler φ-function is monotone (nondecreasing or nonincreasing). For example, we show that for any ϵ>0, every such subset has size smaller than ϵx, once x>x0(ϵ). This confirms a conjecture of the second author.