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16 votes
2 answers
1k views

New series for $\pi$ from string theory

This is a direct followup to the post Possible new series for $\pi$ by Timothy Chow and its numerous answers and comments. Using another formula in the same string theory paper by Saha and Sinha one ...
Henri Cohen's user avatar
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0 votes
0 answers
242 views

how to derive this elliptic integral?

I am reading the article arXiv: 2207.09961, there are some interesting elliptic integrals, i.e. the formula (3.7) and (3.8). You can also see this image where $p_0(z)=\sqrt{-Q_0(z)}$ and $Q_0(z)=-\...
amon Hsu's user avatar