Conference abstracts

Session S13 - Number Theory

July 26, 17:30 ~ 18:00

## CM-points on straight lines

A CM-point (or special point) is a point of the form $(j(\tau_1),j(\tau_2))$ where both $\tau_1,\tau_2$ are imaginary quadratic numbers. In this talk we will show that, with ”obvious” exceptions, a CM-point cannot belong to a straight line in $\mathbb{C}^2$ defined over $\mathbb{Q}$.