Rogers–Ramanujan Continued Fraction Solves General Quintic Algebraically — E8 Intelligence Research
FINDING: The Rogers–Ramanujan continued fraction (RRCF) provides an explicit algebraic solution to the general quintic, linking modular forms, icosahedral symmetry, and elliptic integrals. | MATH: The RRCF is defined as \( R(q) = q^{1/5} \prod_{n=1}^{\infty} \frac{(1-q^{5n-1})(1-q^{5n-4})}{(1-q^{5n-2})(1-q^{5n-3})} \), equivalently \( R(q) = \frac{q^{1/5}}{1 + \frac{q}{1 + \frac{q^2}{1 + \frac{q^3}{1 + \cdots}}}} \). Its reciprocal satisfies \( \frac{1}{R(q)} - 1 - R(q) = \frac{\eta(q^{1/5})}{\eta(q^5)} \), where \(\eta\) is the Dedekind eta function. The quintic solution (arXiv:1510.00068) expresses a root \(x\) as \( x = \frac{\mu^5 - 2\mu^4 + 2\mu^2 + \mu + 1}{\mu(\mu^2 - \mu - 1)} \) with \(\mu = R(q)\) for a specific \(q\) determined by the quintic's coefficients — an explicit algebraic function of \(R(q)\). Key constants: the golden ratio \(\varphi = 1.618\ldots\) appears as \(R(e^{-2\pi}) = \sqrt{\frac{5+\sqrt{5}}{2}} - \varphi\), and \(R(e^{-2\pi/\sqrt{5}})\) involves \(\sqrt[4 Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
Authors
- Andrew Stewart Caldin
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-10-04
- DOI
- https://doi.org/10.5281/zenodo.23131563
- Primary Topic
- Advanced Mathematical Identities
- Type
- preprint