Doctoral, Mathématiques, Sciences et Technologies de l'Information (Informatique)
18/06/2002
Abstract
algebra representation fundamental group simplicial complexe Hochschild cohomology représentation d'algèbres groupe fondamental complexe simplicial cohomologie de Hochschild
We prove that the fundamental group of a simplicial complex is isomorphic to the algebraic fundamental group of itsincidence algebra, and we derive some applications