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

6 votes
1 answer
421 views

Distribution of a function in an arithmetic progression

I am going to have to borrow the opening passage from Bombieri, Friedlander, Iwaniec${}^*$ since they state this idea so well. In the following $\|f\|$ means $\big(\sum_{n\leqslant x} |f(n)|^2\big)^{1 …
Sputnik's user avatar
  • 489
4 votes
1 answer
2k views

When is the Siegel-Walfisz theorem non-trivial?

The following paragraph appears in Analytic Number Theory (Iwaniec, Kowalski): The Siegel-Walfisz theorem asserts that: $\displaystyle \hspace{5cm} \psi(x;q,a) = \frac{x}{\phi(q)} + O(x(\log x)^{- …
Sputnik's user avatar
  • 489
7 votes
1 answer
1k views

Is it possible to improve on Siegel's theorem for exceptional zeroes?

Let $\chi$ be a real nonprincipal character modulo $q$. Siegel's theorem on exceptional zeroes states that for any $\epsilon >0$ there exists a positive number $C(\epsilon)$ such that, for any real ze …
Sputnik's user avatar
  • 489
17 votes
6 answers
5k views

A non-technical account of the Birch—Swinnerton-Dyer Conjecture

I was wondering whether anyone knows of any good non-technical or even popular expositions of the Birch—Swinnerton-Dyer conjecture, for someone with minimal background in elliptic curves. I was thinki …
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  • 489