Jacques Derrida, between violence and hospitality

The object of this writting presents an hipothesis of lecture of Jacques Derrida philosophy. Because of this the text presents the general result of a mayor investigation about Derrida's reading done by Emmannuel Levinas. This has three objetives: first, to point out the different shades that Derrida's philosophy adquires througout time; second, to show that this shades suggest a tension between an irreductible violence and an irreductible hospitality; third, insert this tension inside a specific discourse tradition: the political philosophy. Finally, from this points the possibilities and figures that a way of thinking tension acquires are indicated.