Generalized factorials characterized by Dirichlet convolution

Fuente: arXiv
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Main Author: Ma, Wanli
Format: Preprint
Published: 2025
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author Ma, Wanli
author_facet Ma, Wanli
contents We extend A.B. Mingarelli's method for constructing generalized factorials. Our extension uses a pair of arithmetic functions $(x, y)$, where $x$ is superadditive. When $x$ is the identity function, our generalized factorial reduces to Mingarelli's. A result on the irrationality of the Euler constant within this framework is given. Using Dirichlet convolution, we characterize when two pairs $(α, β)$ and $(x, y)$ generate the same factorials.
format Preprint
id arxiv_https___arxiv_org_abs_2509_13354
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Generalized factorials characterized by Dirichlet convolution
Ma, Wanli
Number Theory
11B65, 11Z05
We extend A.B. Mingarelli's method for constructing generalized factorials. Our extension uses a pair of arithmetic functions $(x, y)$, where $x$ is superadditive. When $x$ is the identity function, our generalized factorial reduces to Mingarelli's. A result on the irrationality of the Euler constant within this framework is given. Using Dirichlet convolution, we characterize when two pairs $(α, β)$ and $(x, y)$ generate the same factorials.
title Generalized factorials characterized by Dirichlet convolution
topic Number Theory
11B65, 11Z05
url https://arxiv.org/abs/2509.13354