# SU(2) Node Matrix Elements

Closed-form hypergeometric product formula and reproducible implementations for SU(2) 3nj recoupling coefficients. Includes reference datasets, cross-repo validation harness, and paper sources.

# Universal Closed-Form Hypergeometric Representation of SU(2) 3nj Symbols

# Closed-Form Finite Recurrences for SU(2) 3nj Symbols

C++23 library for SU(2) Wigner symbols and related angular-momentum coefficients