1. Theoretical and algorithmic characterizations of positive definite symmetric quasi-Cartan matrices;Abarca;Fund. Inform.,2016
2. J. Alves, D. Castongay, T. Brüstle, A polynomial recognition of unit forms using graph-based strategies, preprint, CTW-2016.
3. Elements of the Representation Theory of Associative Algebras. Techniques of Representation Theory;Assem,2006
4. The Dynkin type of a non-negative unit form;Barot;Expo. Math.,1999
5. Cluster algebras of finite type and positive symmetrizable matrices;Barot;J. Lond. Math. Soc.,2006