English

Ramanujan-Sato-like series

Number Theory 2012-10-16 v3

Abstract

Using the theory of Calabi-Yau differential equations we obtain all the parameters of Ramanujan-Sato-like series for 1/π21/\pi^2 as qq-functions valid in the complex plane. Then we use these q-functions together with a conjecture to find new examples of series of non-hypergeometric type. To motivate our theory we begin with the simpler case of Ramanujan-Sato series for 1/π1/\pi.

Keywords

Cite

@article{arxiv.1201.5233,
  title  = {Ramanujan-Sato-like series},
  author = {Gert Almkvist and Jesús Guillera},
  journal= {arXiv preprint arXiv:1201.5233},
  year   = {2012}
}

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The Addendum is new

R2 v1 2026-06-21T20:09:28.412Z