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arXiv 1803.01396math.NT
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在分布的totients 2 mod.4

On the distribution of totients 2 mod. 4

André Contiero, Davi Lima

摘要:

本文研究了$2$ mod. $4$的分布。我们证明了重数为2的数的渐近量是素数的渐近量的一半。作为推论,我们得到重数为4的顶点的个数对重数为2的顶点的个数的相对渐近密度为零。我们还得到了在原像中素数的幂大于1且重数为$k$的元的集合在所有重数为$k$的元的个数上具有相对渐近密度.给出了与表兄弟素数有关的连续偶对$2$ mod. $4$的分布结果。

英文摘要:

In this paper we study the distribution of totients $2$ mod. $4$. We prove that the asymptotic magnitude of such totients with multiplicity two is half of that of prime numbers. As a corollary we obtain that the relative asymptotic density of the number of those totients with multiplicity four over the number of totients with multiplicity two is zero. We also obtain that the set of totients which have, a bigger than one, power of a prime in their pre-images and multiplicity $k$ has relative asymptotic density over the number of all totients of multiplicity $k$ equals to zero. A result on the distribution of consecutive pairs of totients $2$ mod. $4$, which relates to cousin primes, is also provide.

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