Automorphisms of non-singular nilpotent Lie algebras

Aroldo Kaplan, Alejandro Tiraboschi

For a real, non-singular, 2-step nilpotent Lie algebra $\mathfrak{n}$, the group \Aut(\mathfrak{n})/\Aut_0(\mathfrak{n})$,where$\Aut_0(\mathfrak{n})$ is the group of automorphism…