Fourier Series Generated by Additive Prime Factor Functions
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866912904228372480 |
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| author | Vartziotis, Dimitris |
| author_facet | Vartziotis, Dimitris |
| contents | We introduce a rigorous arithmetic--spectral construction associating planar geometric objects with additive prime factor statistics. Let $\mathrm{sopfr}(n)$ denote the sum of prime factors of $n$, counted with multiplicity, and define the summatory function $B(x) = \sum_{n \le x} \mathrm{sopfr}(n)$. It is known that $B(x) \sim \frac{π^2 x^2}{12 \log x}$ as $x \to \infty$. We show that $B(n)$ admits an exact prime-indexed decomposition $B(n) = \sum_{p \le n} p\, v_p(n!)$, where $v_p(n!)$ denotes the $p$-adic valuation of $n!$. This identity motivates the definition of a sparse prime-indexed Fourier series $F_n(t) = \sum_{p \le n} v_p(n!) e^{i p t}$, which we investigate from analytic and geometric perspectives. We establish precise norm identities, relate the construction to circulant Hermitian polygon transformations whose eigenpolygons are discrete Fourier modes, and examine the planar geometry arising from sampled curves. All geometric observations are explicitly experimental. The results provide a rigorous arithmetic foundation for prime-related Fourier geometry and motivate further theoretical and experimental investigations. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_13342 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Fourier Series Generated by Additive Prime Factor Functions Vartziotis, Dimitris General Mathematics We introduce a rigorous arithmetic--spectral construction associating planar geometric objects with additive prime factor statistics. Let $\mathrm{sopfr}(n)$ denote the sum of prime factors of $n$, counted with multiplicity, and define the summatory function $B(x) = \sum_{n \le x} \mathrm{sopfr}(n)$. It is known that $B(x) \sim \frac{π^2 x^2}{12 \log x}$ as $x \to \infty$. We show that $B(n)$ admits an exact prime-indexed decomposition $B(n) = \sum_{p \le n} p\, v_p(n!)$, where $v_p(n!)$ denotes the $p$-adic valuation of $n!$. This identity motivates the definition of a sparse prime-indexed Fourier series $F_n(t) = \sum_{p \le n} v_p(n!) e^{i p t}$, which we investigate from analytic and geometric perspectives. We establish precise norm identities, relate the construction to circulant Hermitian polygon transformations whose eigenpolygons are discrete Fourier modes, and examine the planar geometry arising from sampled curves. All geometric observations are explicitly experimental. The results provide a rigorous arithmetic foundation for prime-related Fourier geometry and motivate further theoretical and experimental investigations. |
| title | Fourier Series Generated by Additive Prime Factor Functions |
| topic | General Mathematics |
| url | https://arxiv.org/abs/2602.13342 |