A new result on averaging theory for a class of discontinuous planar differential systems with applications. J Itikawa, J Llibre, DD Novaes
Revista Mathematica Iberoamericana 33 (4), 2017
45 2017 Limit cycles for continuous and discontinuous perturbations of uniform isochronous cubic centers J Llibre, J Itikawa
Journal of computational and applied mathematics 277, 171-191, 2015
35 2015 Limit cycles in uniform isochronous centers of discontinuous differential systems with four zones. J Itikawa, J Llibre, AC Mereu, RDS Oliveira
São Carlos, SP, Brasil., 2016
18 2016 Phase portraits of uniform isochronous quartic centers J Itikawa, J Llibre
Journal of computational and applied mathematics 287, 98-114, 2015
16 2015 Global phase portraits of uniform isochronous centers with quartic homogeneous polynomial nonlinearities J Itikawa, J Llibre
Discrete Cont Dyn Systems B 21, 121-131, 2016
10 2016 Uniform isochronous cubic and quartic centers: Revisited JC Artés, J Itikawa, J Llibre
Journal of Computational and Applied Mathematics 313, 448-453, 2017
6 2017 Limit cycles bifurcating from the period annulus of a uniform isochronous center in a quartic polynomial differential system J Itikawa, J Llibre
Electron. J. Differential Equations 246, 1-11, 2015
6 2015 New classes of polynomial maps satisfying the real Jacobian conjecture in J Itikawa, J Llibre
Anais da Academia Brasileira de Ciências 91, e20170627, 2019
4 2019 O problema do centro-foco para singularidades nilpotentes no plano J Itikawa
Universidade de São Paulo, 2012
2 2012 First-order perturbation for multi-parameter center families J Itikawa, R Oliveira, J Torregrosa
Journal of differential equations 309, 291-310, 2022
1 2022 Uniform isochronous centers of degrees 3 and 4 and their perturbations J Itikawa
Universitat Autònoma de Barcelona,, 2015
1 2015 Um breve epítome sobre o 16o Problema de Hilbert J Itikawa
IX Seminário de Pós-Graduação e Pesquisa & II Simpósio de Inovação …, 2018
2018 Limit cycles bifurcanting from the period annulus of a uniform isochronous center in a quartic polynomial differential system J Itikawa, J Llibre
Electronic journal of differential equations 2015 (246), # 11 pages, 2015
2015 AMAZÒNIA: Desafios e Perspectivas para Gestão das Aguas - tradução para o inglês N Caramello, R Stachiw, M Penha
CRV 1, 310, 2015
2015 Global phase portraits of the quartic uniform isochronous centers J Itikawa
Advances in Qualitative Theory of Differential Equations, 2015
2015 O XVI Problema de Hilbert e alguns resultados para famılias de centros multi-paramétricos J Itikawa, R Oliveira, J Torregrosa
Polinômios Multivariáveis AAD Ortiz, J Itikawa
Comitê científico, 12, 0
The center-focus problem for a type of cubic systems RDS Oliveira, J Itikawa
Sobre o XVI problema de Hilbert J Itikawa