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Sign changes on $\sum \frac{f(n)}{\sqrt{n}}$ for random completely multiplicative $f$

Authors :
Angelo, Rodrigo
Publication Year :
2024

Abstract

If $f: \mathbb{N} \rightarrow \{\pm1\}$ is a sample of the random completely multiplicative function, we show that almost surely $\sum_{n \le x} \frac{f(n)}{\sqrt{n}}$ changes signs infinitely many times, answering a question of Aymone.

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2411.14447
Document Type :
Working Paper