Cohomology of Lie semidirect products and poset algebras

Vincent E. Coll, Murray Gerstenhaber

When $\mathfrak{h}$ is a toral subalgebra of a Lie algebra $\mathfrak{g}$ over a field $\mathbf{k}$, and $M$ a $\mathfrak{g}$-module on which $\mathfrak{h}$ also acts torally, the Hochs…