Published articles

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11 p, 1.1 MB Weak periodic solutions of x x 1 = 0 and the Harmonic balance method / García Saldaña, Johanna Denise (Universidad Católica de la Santísima Concepción. Departamento de Matemática y Física Aplicadas) ; Gasull i Embid, Armengol (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
Abstract. We prove that the differential equation x''x 1 = 0 has continuous weak periodic solutions and compute their periods. Then, we use the Harmonic Balance Method until order six to approximate these periods and to illustrate how the accuracy of the method increases with the order. [...]
2017
Journal of Physics: Conference Series, Vol. 811 (2017) , p. 12003  

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