Navegando por Autor "Romanovski, Valery G."
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- ItemLinearizability and critical period bifurcations of a generalized Riccati system.(2017-05) Romanovski, Valery G.; Fernandes, Wilker; Tang, Yilei; Tian, YunIn this paper we investigate the isochronicity and linearizability problem for a cubic polynomial differential system which can be considered as a generalization of the Riccati system.
- ItemLocal integrability and linearizability of a (1 : -1 : - 1) resonant quadratic system.(2014) Dukaric, Masa; Oliveira, Regilene Delazari dos Santos; Romanovski, Valery G.Computation of resonant focus quantities and the decomposition of the variety of the ideal that they generate in the ring of polynomials of parameters aij , bij , cij of the system were used to obtain necessary conditions of integrability and linearizability.
- ItemThe center problem for a 2 : -3 resonant cubic Lotka-Volterra system.(2012) Dolicanin, Diana; Giné, Jaume; Oliveira, Regilene Delazari dos Santos; Romanovski, Valery G.In this paper we investigate conditions to a cubic Lotka-Volterra system, i.e., systems of the form x...