List questions from modular-function

Published on 11 May 2026 - 1:25

212

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Ramanujan Identity related to JacobiFunction

Published on 25 Mar 2026 - 17:43

159

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Explicit equations for $Y(N)$ for small $N$

Published on 10 May 2026 - 19:02

58

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$q$-expansion of Klein's absolute invariant using infinite products

Published on 14 Apr 2026 - 19:54

979

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Closed form of $\frac{e^{-\frac{\pi}{5}}}{1+\frac{e^{-\pi}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-3\pi}}{1+\ddots}}}}$

Published on 25 Mar 2026 - 19:10

131

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Non-modular coverings of modular curve

Published on 25 Mar 2026 - 20:42

44

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A question based on proving a result Related to Klein J function

Published on 25 Mar 2026 - 15:58

76

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Pole order of $\frac{4}{27}\frac{\left(\lambda^2-\lambda+1\right)^3}{\lambda^2\left(1-\lambda\right)^2}\left(=j(\tau)\right)$

Published on 25 Mar 2026 - 15:59

263

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Square of Jacobi theta function is sum of hyperbolic secant?

Published on 09 Apr 2026 - 13:36

210

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Is $\prod_{n=0}^\infty \left(1-\frac{1}{\cosh ^2((n+1/2)\pi)}\right)=\frac{1}{\sqrt[4]{2}}$ true?

Published on 25 Mar 2026 - 16:03

232

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Derive singular value $\lambda(\sqrt{2}i)=(\sqrt{2}-1)^2$

Published on 10 May 2026 - 23:55

150

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Integration on the boundary of fundamental domain of Full modular group

Published on 25 Mar 2026 - 16:03

170

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Point Pair invariants

Published on 30 Apr 2026 - 10:49

53

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What are examples of modular form of level $1$ (i.e. modular form on $SL_2(\mathbb{Z})$) with poles?

Published on 10 May 2026 - 22:53

68

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Approximations of real numbers on $(0,1)$ with powers of the form $(3/2)^n \pmod 1$

Published on 25 Mar 2026 - 19:06

List Question

Square root of Eisenstein series

Ramanujan Identity related to JacobiFunction

Explicit equations for $Y(N)$ for small $N$

$q$-expansion of Klein's absolute invariant using infinite products

Closed form of $\frac{e^{-\frac{\pi}{5}}}{1+\frac{e^{-\pi}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-3\pi}}{1+\ddots}}}}$

Non-modular coverings of modular curve

A question based on proving a result Related to Klein J function

Pole order of $\frac{4}{27}\frac{\left(\lambda^2-\lambda+1\right)^3}{\lambda^2\left(1-\lambda\right)^2}\left(=j(\tau)\right)$

Square of Jacobi theta function is sum of hyperbolic secant?

Is $\prod_{n=0}^\infty \left(1-\frac{1}{\cosh ^2((n+1/2)\pi)}\right)=\frac{1}{\sqrt[4]{2}}$ true?

Derive singular value $\lambda(\sqrt{2}i)=(\sqrt{2}-1)^2$

Integration on the boundary of fundamental domain of Full modular group

Point Pair invariants

What are examples of modular form of level $1$ (i.e. modular form on $SL_2(\mathbb{Z})$) with poles?

Approximations of real numbers on $(0,1)$ with powers of the form $(3/2)^n \pmod 1$

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