All Questions
1 question
1
vote
1
answer
319
views
Is this function $\mathbb{Q}$ periodic?
Considering a function $f$ exponentially decreasing at infinity, is the following function $\mathbb{Q}$ periodic ?
$$F(x)= \sum\limits_{q =1}^{\infty} \; \sum\limits_{n =1}^{\infty} \; \sum\...