2023-09-042023-09-042023-07Carmona Centeno, V., Fernández Sánchez, F. y Novaes, D.D. (2023). A Succinct Characterization of Period Annuli in Planar Piecewise Linear Differential Systems with a Straight Line of Nonsmoothness. https://doi.org/10.1007/s00332-023-09947-5.0938-89741432-1467https://hdl.handle.net/11441/148619We close the problem of the existence of crossing period annuli in planar piecewise linear differential systems with a straight line of nonsmoothness. In fact, a characterization for the existence of such objects is provided by means of a few basic operations on the parameters.application/pdf13 p.engAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Piecewise linear systemsPeriod annuliPoincaré half-mapsIntegral characterizationinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccess10.1007/s00332-023-09947-5