Graph Theoretical and Algorithmic Characterizations of Positive Definite Symmetric Quasi-Cartan Matrices. - Mario Abarca; Daniel Rivera (Fundam. Informaticae, 2016)

Cubic Algorithm to Compute the Dynkin Type of a Positive Definite Quasi-Cartan Matrix. - Claudia Pérez; Mario Abarca; Daniel Rivera (Fundam. Informaticae, 2018)