Minimal Whitney stratification and Euler obstruction of discriminants.
Geometriae Dedicata (186) 2017, 173--180.
Barbosa, G. F.; Grulha Jr., N. G. e Saia, M. J.
Geometriae Dedicata (186) 2017, 173--180.
Barbosa, G. F.; Grulha Jr., N. G. e Saia, M. J.
Toric surfaces, vanishing Euler characteristic and Euler obstruction of a function.
Annales de la Faculté des Sciences de Toulouse, (6) 24 (2015), no 1, 1--20.
Dalbelo, T. M. ; Grulha Jr., N. G. ; Pereira, M. S.
Annales de la Faculté des Sciences de Toulouse, (6) 24 (2015), no 1, 1--20.
Dalbelo, T. M. ; Grulha Jr., N. G. ; Pereira, M. S.
On the topology of real analytic maps.
International Journal of Mathematics, (2014) no 7, 1450069, 30 pp.
Cisneros-Molina, J. L. ; Grulha Jr., N. G. ; Seade, J.
International Journal of Mathematics, (2014) no 7, 1450069, 30 pp.
Cisneros-Molina, J. L. ; Grulha Jr., N. G. ; Seade, J.
The Euler obstruction and torus action.
Geometriae Dedicata, 175 (2015), 373--383.
Dalbelo, T. M. ; Grulha, N. G.
Geometriae Dedicata, 175 (2015), 373--383.
Dalbelo, T. M. ; Grulha, N. G.
Lê-Greuel type formula for the Euler obstruction and applications.
Advances in Mathematics, v. 251, p. 127-146, 2014.
Dutertre, N.; Grulha, N. G.
Advances in Mathematics, v. 251, p. 127-146, 2014.
Dutertre, N.; Grulha, N. G.
The Multiplicity Polar Theorem, Collections of 1-forms and Chern Numbers.
Journal of Singularities, v. 7, p. 36-39, 2013.
Gaffney, T.; Grulha, N. G.
Journal of Singularities, v. 7, p. 36-39, 2013.
Gaffney, T.; Grulha, N. G.
Polar multiplicities and Euler obstruction for ruled surfaces.
Bulletin Brazilian Mathematical Society, v. 43, p. 443-451, 2012.
Grulha Jr., N. G. ; Hernandes, M. E. ; Martins, R.
Bulletin Brazilian Mathematical Society, v. 43, p. 443-451, 2012.
Grulha Jr., N. G. ; Hernandes, M. E. ; Martins, R.
The Euler Obstruction and Bruce--Roberts' Milnor Number.
Quarterly Journal of Mathematics, v. 63, p. 257-258, 2012.
Grulha Jr., N. G.
Quarterly Journal of Mathematics, v. 63, p. 257-258, 2012.
Grulha Jr., N. G.
Stability of The Euler obstruction of a function.
Boletín de la Sociedad Matemática Mexicana, v. 17, p. 95-103, 2011.
Grulha Jr, N. G.
Boletín de la Sociedad Matemática Mexicana, v. 17, p. 95-103, 2011.
Grulha Jr, N. G.
Local Euler obstruction, old and new, II.
Londo Mathematical Society - Lectures Notes Series 380 - Real and Complex Singularities. Cambridge: Cambridge University Press, 2010, v. , p. 23-45.
Brasselet, J. -P. ; Grulha Jr., N. G.
Londo Mathematical Society - Lectures Notes Series 380 - Real and Complex Singularities. Cambridge: Cambridge University Press, 2010, v. , p. 23-45.
Brasselet, J. -P. ; Grulha Jr., N. G.
Lyapunov stability of closed sets in impulsive semidynamical systems.
Electronic Journal of Differential Equations, v. 2010, p. 1-18, 2010.
Bonotto, E. M. ; Grulha Jr., N. G.
Electronic Journal of Differential Equations, v. 2010, p. 1-18, 2010.
Bonotto, E. M. ; Grulha Jr., N. G.
The Euler obstruction and the Chern obstruction.
Bulletin of the London Mathematical Society, v. 42, p. 1035-1043, 2010.
Brasselet, J.- P. ; Grulha, N. G. ; Ruas, M. A. S.,
Bulletin of the London Mathematical Society, v. 42, p. 1035-1043, 2010.
Brasselet, J.- P. ; Grulha, N. G. ; Ruas, M. A. S.,
The Euler obstruction and Bruce-Roberts' Milnor number.
Quarterly Journal of Mathematics, v. 60, p. 291-302, 2009.
Grulha Jr, N. G.
Quarterly Journal of Mathematics, v. 60, p. 291-302, 2009.
Grulha Jr, N. G.
L'obstruction d Euler locale d une application.
Annales de la Faculté des Sciences de Toulouse, v. 17, p. 53-71, 2008.
Grulha, N. G.,JR.
Annales de la Faculté des Sciences de Toulouse, v. 17, p. 53-71, 2008.
Grulha, N. G.,JR.
Sobre variedades polares de superfícies.
Matemática Universitária, v. 41, p. 13-26, 2006.
Grulha Jr., N. G. ; Melo, T.
Matemática Universitária, v. 41, p. 13-26, 2006.
Grulha Jr., N. G. ; Melo, T.