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The notion of distributional chaos has been recently added to the study of the linear dynamics of operators andC0-semigroups of operators. We will study this notion of chaos for some examples ofC0-semigroups that are already known to be Devaney chaotic.

Abstract. The interest in car-following models has increased in the last years due to its connection with vehicle-to-vehicle communications and the development of driverless cars. Some non-linear models such as the Gazes-Herman Rothery model were already known to be chaotic. We consider the linear Forward and Backward Control traffic model for an infinte number of cars on a track. We show the existence of solutions with a chaotic behaviour by using some results of linear dynamics of C0-semigroups. In contrast, we also analyze which initial configurations lead to stable solutions.

In this work we show the impact of a mentoring Nuestro objetivo es analizar el seguimiento e impacto de program for freshmen set for the degrees taught at the Escuela programa en las distintas titulaciones impartidas en la Escuela T(ETSINF) de la UPV, dado que Polite~cnica de Vale~ncia. We analyze the variables that influence siendo, todas ellas del mismo Ambito, ei perfil de acceso de los the student participation in the program, and we evaluate the estudiantes que las cursan es distinto. impact that following up it has for an improvement of the 104 academic performance of the students. 9% 80%.Keywords-component; freshm en, mentoring program 7r 69%.