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16 p, 318.0 KB An explicit bound of the number of vanishing double moments forcing composition / Cimà, Anna (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Gasull, Armengol (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mañosas Capellades, Francesc (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We give two new characterizations of pairs of polynomials or trigonometric polynomials that form a composition pair. One of them proves that the cancellation of a given number of double moments implies that they form a composition pair. [...]
2013 - 10.1016/j.jde.2013.04.009
Journal of differential equations, Vol. 255 (2013) , p. 339-350  

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