2 problems

Let $X$ be a mixed Shimura variety or a semi-abelian variety defined over $\mathbb{C}$. Let $\langle A\rangle$ denote the smallest special subvariety containing a subvariety $A$, a…

Let $\mathcal C(n,d)$ denote the Chebyshev hypersurface of degree $d$ in $\mathbb P^n$, and let $\mathcal N(n,d)$ be its set of nodes. For a finite node set $\mathcal N$, write…