Prof. Sebastião (Saponga) Firmo

Universidade Federal Fluminense

Instituto de Matemática e Estatística

Pesquisa

Artigos científicos

Em Dinâmica Topológica

S. Firmo and J. Ribón, Global fixed points for nilpotent actions on the torus (2019).

Aceito para publicação em Ergodic Theory and Dynamical Systems.

Qualis CAPES (2017): A1

S. Firmo, P. Le Calvez and J. Ribón, Fixed points for nilpotent actions on R2 (2018).

Aceito para publicação em Astérisque (volume em homenagem a Jean-Christophe Yoccoz).

Qualis CAPES (2017): A1

S. Firmo and J. Ribón, Finite orbits for nilpotent actions on the torus, Proc. AMS, vol 146 (2017), 195-208.

Qualis CAPES (2016): A2

S. Firmo, J. Ribón and J. Velasco, Fixed points for nilpotent actions on the plane and the Cartwright-Littlewood theorem, Mathematische Zeitschrift, v. 279 – Issue 3 (2015), 849-877.

Qualis CAPES (2014): A1

F. Béguin, P. Le Calvez, S. Firmo and T. Miernowski, Des points fixes communs pour des difféomorphismes qui commutent et préservent une mesure de probabilité, Journal of the Institute of Mathematics of Jussieu, v. 12 (2013), 1-31.

Qualis CAPES (2013): A2

S. Firmo, Localisation des points fixes communs pour des difféomorphismes commutants du plan, Bulletin of the Brazilian Mathematical Society, New Series, v.42 (2011), 373-397.

Qualis CAPES (2014): A2

S. Firmo, A note on commuting diffeomorphisms on surfaces, Nonlinearity, v. 18 (2005), 1511-1526

Qualis CAPES (2014): A2

S. Druck, F. Fang and S. Firmo, Fixed points of discrete nilpotent group actions on S2, Annales de l’Institut Fourier, v. 52 (2002), 1075-1091.

Qualis CAPES (2014): A1

Em Dinâmica Unidimensional

S. Firmo, Real contractions and C1-conjugations, Journal of Differential Equations, v. 74 (1988), 1-10.

Qualis CAPES (2014): A1

Em Estruturas de Contato

V. Colin and S. Firmo, Paires des structures de contact sur les variétés de dimension trois, Algebraic and Geometric Topology, v. 11 (2011), 2627-2653.

Qualis CAPES (2013): B1

Em Teoria das Folheações

S. Firmo and P. Andrade, Foliations with are limits of fibrations, Topology and its Applications, v. 130 (2003), 205-219.

Qualis CAPES (2014): B2

S. Druck and S. Firmo, Periodic leaves for diffeomorphisms preserving codimension one foliations, Journal of the Mathematical Society of Japan, v. 55 (2003), 13-37.

Qualis CAPES (2012): A2

S. Firmo and A. Sarmiento, Codimension one foliations without unstable compact leaves, Topology and its Applications, v. 81 (1997), 247-267.

Qualis CAPES (2014): B2

C. Bonatti and S. Firmo, Feuilles compactes d’un feuilletage génerique en codimension un, Annales Scientifiques de l’École Normale Supérieure, t. 27 (1994), 407-462.

Qualis CAPES (2014): A1

S. Druck and S. Firmo, Stability of compact leaves close to invariant fibered manifolds, Journal of the Faculty of Science – University of Tokyo, v. 40 (1993), 285-306.

Qualis CAPES (2014): B3

S. Druck and S. Firmo, Fixed points of maps preserving perturbations of fibrations, Topology and its Applications, v. 37 (1990), 275-283.

Qualis CAPES (2014): B2

S. Firmo, Estabilidade de caminhos de folheações de codimensão um em 3-variedades, Tese de Doutorado, Departamento de Matemática, PUC-Rio, 1985.

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