Lost in Translation
We explain the use and set grounds about applicability of algebraic transformations of arithmetic hypergeometric series for proving Ramanujan’s formulae for \(1/\pi\) and their generalisations.
Keywords\(\pi\) Ramanujan Arithmetic hypergeometric series Algebraic transformation Modular function
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I would like to thank Shaun Cooper for his useful suggestions which helped me to improve on an earlier draft of this note. Special thanks go to the anonymous referee for his/her indication of several places which required extra clarifications.
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