The Grothendieck and Picard groups of finite rank torsion free $\mathfrak{sl}(2)$-modules

F. J. Plaza Martín}, C. Tejero Prieto

The classification problem for simple $\mathfrak{sl}(2)$-modules leads in a natural way to the study of the category of finite rank torsion free $\mathfrak{sl}(2)$-modules and its…