English

A Ramanujan's hypergeometric transformation formula, its validity range and implications

Classical Analysis and ODEs 2024-12-02 v1

Abstract

We extend the validity range of a Ramanujan's hypergeometric transformation formula proved by Berndt, Bhargava and Garvan, Trans. Amer. Math. Soc. 347, 4163 (1995) and study its implications. Relations to special values of complete elliptic integrals of the first kind in the singular value theory are established. Consequently, we derive several closed-form evaluations of hypergeometric functions 2F1_2F_1 with different sets of parameters and arguments. Connections with other hypergeometric transformations and some recent results are discussed.

Keywords

Cite

@article{arxiv.2411.19608,
  title  = {A Ramanujan's hypergeometric transformation formula, its validity range and implications},
  author = {M. A. Shpot},
  journal= {arXiv preprint arXiv:2411.19608},
  year   = {2024}
}
R2 v1 2026-06-28T20:16:39.384Z