2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221602We study locally transitive actions of the commutative unipotent group $\Gan$ on a nondegenerate quadric in the projective space $ΒΆ^{n+1}$. It is shown that for each $n$ such an action is unique up to isomorphism.13 pagesRepresentation TheoryCommutative AlgebraAlgebraic Geometry13H99; 14N99; 20C25Hassett-Tschinkel correspondence and automorphisms of the quadrictext