New posts in lattices-in-lie-groups

Find $\{a, b, c\} \in \Bbb{Z}$ that minimise $\left\|v_0 + a\cdot v_1 + b\cdot v_2 + c\cdot v_3 \right\|$ where $\{v_0, v_1, v_2, v_3\} \in \Bbb{R}^3$

linear-algebra lattices-in-lie-groups

Relations between center (fundamental group) and (co)root and weight lattices for Lie groups

representation-theory lie-groups lie-algebras fundamental-groups lattices-in-lie-groups

Fundamental domain of $\operatorname{GL}(n,\mathbb R)$ acted on by $\operatorname{GL}(n, \mathbb Z)$

matrices reference-request lie-groups lattices-in-lie-groups