Rogers-Ramanujan Identities: Partition Congruences and Modular Form Connections — E8 Intelligence Research

FINDING: Rogers-Ramanujan identities connect integer partitions to modular forms, with deep congruences for partition function p(n) and tau function τ(n) modulo small primes. | MATH: Rogers-Ramanujan identities: \[ \prod_{n=0}^\infty \frac{1}{(1-q^{5n+1})(1-q^{5n+4})} = \sum_{n=0}^\infty \frac{q^{n^2}}{(1-q)(1-q^2)\cdots(1-q^n)} \] \[ \prod_{n=0}^\infty \frac{1}{(1-q^{5n+2})(1-q^{5n+3})} = \sum_{n=0}^\infty \frac{q^{n^2+n}}{(1-q)(1-q^2)\cdots(1-q^n)} \] Partition congruences (Ramanujan): \[ p(5k+4) \equiv 0 \pmod{5}, \quad p(7k+5) \equiv 0 \pmod{7}, \quad p(11k+6) \equiv 0 \pmod{11} \] Tau function congruences (Ramanujan's unpublished manuscript): τ(n) modulo small primes (e.g., τ(n) ≡ nσ₃(n) mod 5, etc.). | CONNECTION: The modulus 5 in Rogers-Ramanujan identities and partition congruences links to the golden ratio φ = (1+√5)/2 ≈ 1.618 and its reciprocal 0.618, as φ appears in the generating functions via q-series with base 5. The identities also relate to the affine root sys Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-08-17
DOI
https://doi.org/10.5281/zenodo.21973593
Primary Topic
Advanced Mathematical Identities
Type
preprint
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preprint

Rogers-Ramanujan Identities: Partition Congruences and Modular Form Connections — E8 Intelligence Research

Andrew Stewart Caldin
Zenodo (CERN European Organization for Nuclear Research)
Advanced Mathematical Identities
preprint

Rogers-Ramanujan Identities: Partition Congruences and Modular Form Connections — E8 Intelligence Research

Andrew Stewart Caldin
preprint en

Abstract

FINDING: Rogers-Ramanujan identities connect integer partitions to modular forms, with deep congruences for partition function p(n) and tau function τ(n) modulo small primes. | MATH: Rogers-Ramanujan identities: \[ \prod_{n=0}^\infty \frac{1}{(1-q^{5n+1})(1-q^{5n+4})} = \sum_{n=0}^\infty \frac{q^{n^2}}{(1-q)(1-q^2)\cdots(1-q^n)} \] \[ \prod_{n=0}^\infty \frac{1}{(1-q^{5n+2})(1-q^{5n+3})} = \sum_{n=0}^\infty \frac{q^{n^2+n}}{(1-q)(1-q^2)\cdots(1-q^n)} \] Partition congruences (Ramanujan): \[ p(5k+4) \equiv 0 \pmod{5}, \quad p(7k+5) \equiv 0 \pmod{7}, \quad p(11k+6) \equiv 0 \pmod{11} \] Tau function congruences (Ramanujan's unpublished manuscript): τ(n) modulo small primes (e.g., τ(n) ≡ nσ₃(n) mod 5, etc.). | CONNECTION: The modulus 5 in Rogers-Ramanujan identities and partition congruences links to the golden ratio φ = (1+√5)/2 ≈ 1.618 and its reciprocal 0.618, as φ appears in the generating functions via q-series with base 5. The identities also relate to the affine root sys Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

Zenodo (CERN European Organization for Nuclear Research)
Advanced Mathematical Identities
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