New posts in Theta Functions

What is a Theta Function?

Convergence to $0$ of Jacobi theta function

series involving $\log \left(\tanh\frac{\pi k}{2} \right)$

A conjecture about algebraic values of $(-q;\,-q)_\infty/(q;\,q)_\infty$

How to estimate a specific infinite matrix sum

What do theta functions have to do with quadratic reciprocity?