Quasi-derivations of Block Lie algebras $\mathcal{B}(q)$

Ivan Kaygorodov, Abror Khudoyberdiyev, Zarina Shermatova

We compute quasi-derivations of Block Lie algebras $\mathcal{B}(q)$. In particular, we prove that $\mathcal{B}(q)$ has various nontrivial quasi-derivations, i.e., quasi-derivations…