Ask & Answers ag.algebraic geometry – What is the idea behind the proof of the Isogeny theorem and Theorem III.7.9 (Serre) in Silverman’s book? Answer
Ask & Answers ds.dynamical systems – Stochastic differential equations, dynamics and functionals: how do the random matrix $J_{ij}$ and coupling strengh $g$ affect the variance of $h_i$? Answer
Ask & Answers reference request – Constructing a Kac-Moody group as a quotient of the free product of its root subgroups Answer
Ask & Answers reference request – How to construct lattice points in bounded symmetric domain? Answer