# Samuel Lopes

2017
A quantum subgroup depth. Acta Math. Hung.. 2017;152(1):166-185.
Non-Noetherian generalized Heisenberg algebras. Journal of Algebra and its Applications. 2017;16(4):1750064.
2015
Derivations of a parametric family of subalgebras of the Weyl algebra. J. Algebra. 2015;424:46-97.
A multiparameter family of irreducible representations of the quantum plane and of the quantum Weyl algebra. Portugaliae Mathematica. 2015;72:407-419.
A Parametric Family of Subalgebras of the Weyl Algebra I. Structure and Automorphisms. Trans. Amer. Math. Soc.. 2015;367(3):1993-2021.
2013
Classification of factorial generalized down-up algebras. J. Algebra. 2013;396:184-206.
A Parametric Family of Subalgebras of the Weyl Algebra II. Irreducible Modules. In: Contemp. Math. Vol 602 Recent developments in algebraic and combinatorial aspects of representation theory.; 2013. 7. p. 73-98p.
2011
Double Ore extensions versus iterated Ore extensions. Comm. Algebra. 2011;39:2838-2848.
2009
Automorphisms of generalized down-up algebras. Comm. Algebra. 2009;37:1622-1646.
2007
Automorphisms and derivations of \$U_q(\germ s\germ l^+_4)\$. J. Pure Appl. Algebra. 2007;211:249-264.
Automorphisms and derivations of \$U_q(\mathfraksl^+_4)\$. Journal of Pure and Applied Algebra. 2007;211:249-264.
2006
Primitive ideals of \$U_q(\germ sl^+_n)\$. Comm. Algebra. 2006;34:4523-4550.
Primitive ideals and irreducible representations of \$U_q(sl^+_4)\$. Communications in Algebra. 2006;34(12):4523-4550.
2005
Separation of Variables for \$U_q(\mathbfsl_n+1)^+\$. Canadian Mathematical Bulletin. 2005;48(4):587-600.
Separation of variables for \$U_q(\germsl_n+1)^+\$. Canad. Math. Bull.. 2005;48:587-600.