"2003 Colloquium on Differential Equations and Applications, Maracaibo, Venezuela. Electronic Journal of Differential Equations, Conference 13, 2005, pp. 21-27. Title: The relativistic Enskog equation near the vacuum Authors: Rafael Galeano Andrades (Univ. de Cartagena, Colombia) Bernardo Orozco Herrera (Univ. de Cartagena, Colombia) Maria Ofelia Vasquez Avila (Univ. de Cartagena, Colombia) Abstract: We prove an existence and uniqueness theorem for the solution with data near the vacuum in the Hard sphere. Published May 30, 2005. Math Subject Classifications: 35Q75, 82-02. Key Words: Relativistic; Enskog equation; near the vacuum.