Free groups in subnormal subgroups and the residual nilpotence of the group of units of groups rings JZ Gonçalves Canadian Mathematical Bulletin 27 (3), 365-370, 1984 | 68 | 1984 |
Free subgroups of units in group rings JZ Gonçalves Canadian Mathematical Bulletin 27 (3), 309-312, 1984 | 55 | 1984 |
Are there free groups in division rings? JZ Gonçalves, A Mandel Israel Journal of Mathematics 53, 69-80, 1986 | 39 | 1986 |
Unitary units in group algebras JZ Gonçalves, DS Passman Israel Journal of Mathematics 125 (1), 131-155, 2001 | 33 | 2001 |
Free products of units in algebras I. Quaternion algebras JZ Gonçalves, A Mandel, M Shirvani Journal of Algebra 214 (1), 301-316, 1999 | 31 | 1999 |
Linear groups and group rings JZ Gonçalves, DS Passman Journal of Algebra 295 (1), 94-118, 2006 | 30 | 2006 |
A survey on free objects in division rings and in division rings with an involution JZ Gonçalves, M Shirvani Communications in Algebra 40 (5), 1704-1723, 2012 | 22 | 2012 |
Free symmetric and unitary pairs in division rings with involution VO Ferreira, JZ Gonçalves, A Mandel International Journal of Algebra and Computation 15 (01), 15-36, 2005 | 20 | 2005 |
Embedding free products in the unit group of an integral group ring JZ Gonçalves, DS Passman Archiv der Mathematik 82, 97-102, 2004 | 19 | 2004 |
Free products of units in algebras. II. Crossed products JZ Gonçalves, A Mandel, M Shirvani Journal of Algebra 233 (2), 567-593, 2000 | 19 | 2000 |
On free group algebras in division rings with uncountable center J Goncalves, M Shirvani Proceedings of the American Mathematical Society 124 (3), 685-687, 1996 | 19 | 1996 |
Construction of free subgroups in the group of units of modular group algebras JZ Gonçalves, DS Passman Communications in Algebra 24 (13), 4211-4215, 1996 | 19 | 1996 |
Semigroup identities on units of group algebras JZ Gonçalves, A Mandel Archiv der Mathematik 57, 539-545, 1991 | 19 | 1991 |
Free groups in normal subgroups of the multiplicative group of a division ring JZ Gonçalves, DS Passman Journal of Algebra 440, 128-144, 2015 | 17 | 2015 |
Free symmetric and unitary pairs in central simple algebras with involution JZ Gonçalves, M Shirvani Groups, rings and algebras, 2006 | 16 | 2006 |
Free group algebras in certain division rings LMV Figueiredo, JZ Gonçalves, M Shirvani Journal of Algebra 185 (2), 298-313, 1996 | 16 | 1996 |
Large free algebras in the ring of fractions of skew polynomial rings M Shirvani, JZ Gonçalves Journal of the London Mathematical Society 60 (2), 481-489, 1999 | 14 | 1999 |
Involutions and free pairs of bicyclic units in integral group rings JZ Gonçalves, DS Passman Walter de Gruyter GmbH & Co. KG 13 (5), 721-742, 2010 | 13 | 2010 |
Free group algebras in the field of fractions of differential polynomial rings and enveloping algebras M Shirvani, JZ Gonçalves Journal of Algebra 204 (2), 372-385, 1998 | 13 | 1998 |
Semigroup identities on units of integral group rings MA Dokuchaev, JZ Gonçalves Glasgow Mathematical Journal 39 (1), 1-6, 1997 | 13 | 1997 |