Published articles

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1.
24 p, 383.0 KB Center problem for generalized Λ-Ω differential systems / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Ramírez, Rafael Orlando (Universitat Rovira i Virgili. Departament d'Enginyeria Informàtica i Matemàtiques) ; Ramírez, Valentín (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
The Λ-Ω differential systems are the real planar polynomial differential equations of degree m of the form ˙ x = −y(1 + Λ) + xΩ, ˙ y = x(1 + Λ) + yΩ, where Λ = Λ(x,y) and Ω = Ω(x,y) are polynomials of degree at most m−1 such that Λ(0,0) = Ω(0,0) = 0. [...]
2018
Electronic journal of differential equations, Vol. 2018, Issue 184 (2018) , p. 1-23
2 documents

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