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On the blending of real/complex analysis with number theory. The study involves distribution of prime numbers and other problems and helps giving asymptotic estimates to these.

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 …
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)^{- …