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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

4 votes

Does $2^n-n$ have infinitely often a prime divisor greater than $n$?

Let $m>1$ be a natural number, and $p$ be a prime divisor of $(m+1)2^m+1$. Then $n=p-m-1$ does the trick. EDIT: On second thought, there is a catch. As Ofir Gorodetsky suggested, it is not difficul …
Alex Gavrilov's user avatar
5 votes

Is it possible to sum the divergent series with prime coefficients?

This question is poorly formulated, so I am not sure if it can be properly answered. I have some comments, rather then an answer. First, the methods 1,2 (Abel and Lindelöf summation), as well as any …
Alex Gavrilov's user avatar
6 votes

Lindelöf hypothesis claim

(Not an answer of any sort, just too long for a comment.) The main result seems to be an integral equation (1.3) of the form $$\int_{-\infty}^\infty K(t,\tau) |\zeta(\tfrac{1}{2}+it\tau)|^2\,d\tau= …
Alex Gavrilov's user avatar
6 votes

Are there examples of conjectures supported by heuristic arguments that have been finally di...

I think Hauptvermutung (the "main conjecture" in German) is a good example. It certainly is supported by very plausible heuristic arguments, and nobody had any doubt for half a century.
8 votes

Irrationality measure of arctan(1/3)

As mentioned by GH from MO, the irrationality measure for almost all real numbers is 2. However, computing it for a particular number is a notoriously difficult problem. For an irrational algebraic n …
Alex Gavrilov's user avatar
4 votes
Accepted

A Hadamard product of the zeros of the Riemann integral. Does it put any constraints on wher...

There is no problem in proving the Hadamard product if you write it as $$\hat{\xi}(s)=\hat{\xi}(0)\prod_{\mu}\bigg(1-\frac{s}{\mu}\bigg)\bigg(1-\frac{s}{1-\mu}\bigg)$$ Also, your observation about be …
Alex Gavrilov's user avatar
3 votes
1 answer
333 views

A database on Maass forms?

Is there somewhere a database on Maass forms that includes eigenvalues, Taylor coefficients, etc...? I am mainly interested in classical forms on $\Gamma(1)\backslash H$.
Alex Gavrilov's user avatar
30 votes

"Long-standing conjectures in analysis ... often turn out to be false"

The Riemann hypothesis is a conjecture in both analysis and number theory. Someone who tries to undermine it necessarily has to ignore the latter part or to declare it irrelevant. I am not suggesting …