Borel-Tits conjecture on abstract homomorphisms of algebraic groups
Let G\mathbf{G}G and G′\mathbf{G}'G′ be algebraic groups defined over infinite fields kkk and k′k'k′, respectively. Let G+\mathbf{G}^+G+ denote the subgroup of G(k)\mathbf{G}(k)G(k) generated…