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11 votes

Transcendence of $e^{\frac{\pi^2}{12 \log 2}}$

This is most likely open, since alredy $e^{\pi^2}$ is not known to be transcendental. As an added difficulty, I don't think that $\frac{\pi^2}{12 \log 2}$ is known to be transcendental either. There …
Myshkin's user avatar
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0 votes

Effective Lindemann–Weierstrass theorem

Actually Baker's theorem generalizes Lindemann–Weierstrass, so that alredy gives you an effective bound $$\bigg|\sum_i \beta_i e^{\alpha_i}\bigg| > Ce^{-(\log H)^k}$$ with $C$ an effectively computa …
Myshkin's user avatar
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15 votes
Accepted

Is it possible to know if $\log(\pi)$ is irrational or not since the $\log$ function is the ...

The irrationality of $\log \pi$ is an open problem (see for example this recent paper). It is expected to be transcendental (page 34 of this slides by Michel Waldschmidt), and in fact this follows fr …
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4 votes
Accepted

Is there a fixed integer $n$ for which the difference :$\pi^n-\ e ^n$ is integer number?

The claim that $\pi$ and $e$ are known to be algebraically independent is incorrect, see for example this MO question. The rationality of $\pi^n-e^n$ is a well-known open problem alredy for $n=1$, an …
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18 votes

"The Galois group of $\pi$ is $\mathbb{Z}$."

I gather that the idea behind $\mathrm{Gal}(\pi)=\mathbb{Z}\backslash\{0\}$ (not $\mathbb{Z}$, $0$ is not a conjugate of $\pi$!) comes from Euler's formula: $$\prod_{n\in \mathbb{Z\backslash\{0\}}}\b …
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8 votes

More on "Transalgebraic Theories" (a 19th century yoga)?

For the most part "transalgebraic theory" seems an umbrella term for anything that relates (classic, differential, motivic, categorical) Galois theory with periods, trascendence results, special value …
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5 votes
Accepted

Could the complex zeros of Riemann zeta function be of the form $ s=0.5+ik$ with $k$ a posit...

As explained by Peter Humphries in the comments, the famous conjecture here is that the imaginary part of the non-trivial zeros of $\zeta(s)$ is transcendental (or equivalently, linearly independent o …
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