Artigos de pesquisa

1. V. O. Ferreira, "Tensor rings under field extensions", J. Algebra 231 (2000), 342-363.
2. V. O. Ferreira, "Commutative monoid amalgams with natural core", Comm. Algebra 29 (2001), 757-767.
3. V. O. Ferreira, "Constants of derivations on free associative algebras", Glasgow Math. J. 44 (2002), 177-183.
4. V. O. Ferreira, L. S. I. Murakami, A. Paques, "A Hopf-Galois correspondence for free algebras, J. Algebra 276 (2004), 407-416.
5. V. O. Ferreira, J. Z. Gonçalves, A. Mandel, "Free symmetric and unitary pairs in division rings with involution", Internat. J. Algebra Comput. 15 (2005), 15-36.
6. V. O. Ferreira, L. S. I. Murakami, "Finitely generated constants of free algebras", in Groups, Rings, and Group Rings, 149-153, Lecture Notes in Pure and Appl. Math., 248, Chapman & Hall/CRC, Boca Raton, FL, 2006.
7. V. O. Ferreira, L. S. I. Murakami, "Finitely generated invariants of Hopf algebras on free associative algebras",  Linear Algebra Appl. 420 (2007), 70-78.
8. V. O. Ferreira, L. S. I. Murakami, "On free associative algebras linearly graded by finite groups", in Groups, Algebras and Applications, 185-191, Contemporary Mathematics, 537, Amer. Math. Soc., Providence, RI, 2011.
9. V. O. Ferreira, E. Z. Fornaroli, J. Sánchez, "Free fields in Malcev-Neumann series rings", Comm. Algebra 41 (2013), 1149-1168.
10. V. O. Ferreira, J. Z. Gonçalves, J. Sánchez, "Free symmetric group algebras in division rings generated by poly-orderable groups", J. Algebra 392 (2013), 69-84.
11. V. O. Ferreira, L. S. I. Murakami, "Rationality of the Hilbert series of Hopf-invariants of free algebras", Proc. Amer. Math. Soc. 142 (2014), 821-826.
12. V. O. Ferreira, J. Z. Gonçalves, J. Sánchez, "Free symmetric algebras in division rings generated by enveloping algebras of Lie algebras", Internat. J. Algebra Comput. 25 (2015), 1075-1106.
    
13. V. O. Ferreira, J. Z. Gonçalves, "Free symmetric and unitary pairs in division rings infinite-dimensional over their centers", Israel J. Math. 210 (2015), 297-321.
14. V. O. Ferreira, J. Z. Gonçalves, E. Z. Fornaroli, "Free algebras in division rings with an involution", J. Algebra 509 (2018), 292-306.
15. V. O. Ferreira, J. Z. Gonçalves, J. Sánchez, "Free symmetric and unitary pairs in the field of fractions of torsion-free nilpotent group algebras", Algebr. Represent. Theory 23 (2020), 605-619.

1. V. O. Ferreira, "O Prêmio Abel de 2008", Revista Matemática Universitária 43 (2007), 10-12.

1. V. O. Ferreira, L. S. I. Murakami, Uma Introdução às Álgebras de Hopf, Editora Livraria da Física, São Paulo, 2020.