Abellanas Rapún, LorenzoMartínez Alonso, LuisMartínez Ontalba, Celia2023-06-202023-06-2019930305-447010.1088/0305-4470/26/5/009https://hdl.handle.net/20.500.14352/57642We give a positive answer to a question about the existence of any direct link between two apparently unrelated facts for a specific family of solvable Lie algebras: the structure of their modules of functions on one side, and the algebraic form of their Casimir invariants on the other.engjournal articlehttp://iopscience.iop.org/journal/0305-4470http://iopscience.iop.org/restricted access512cohomology grouptranslation modulesLie algebras of first-order differential operatorssolvable Lie algebrasCasimir invariantsÁlgebra1201 Álgebra