FEHRENBACH , Jérôme

Let S be a compact oriented surface equipped with n+1 distinguished points. In the first chapter of this thesis, we recall the theory of efficient representatives for a pseudo-Anosov element of the mapping class group of S. This objects have been introduced by Bestvina-Handel and Los.In the second chapter, we expose the theory of good...

In sheep, wave motion in semen is currently used by AI centres to select ejaculates for insemination. Despite its low cost, convenience and established ability to predict fertility, the subjectivity of this assessment is a limiting factor for its applicability. The aims of the present study were to establish an objective method for the analysis...