activity
20052012
collaborators

6 papers

math.QA2012

Les pré-(a,b)-algèbres à homotopie près

Walid Aloulou

We study in this article the concept of algebra up to homotopy for a structure defined by two operations . Important examples of such structure are those of pre-Gerstenhaber and pr…

math.QA2012

Algèbres pré-Gerstenhaber à homotopie près

Walid Aloulou, Didier Arnal, Ridha Chatbouri

This paper is concerned by the concept of algebra up to homotopy for a structure defined by two operations and [,]. An important example of such a structure is the Gerstenhaber…

math.QA2010

Cohomologie de Chevalley des graphes ascendants

Walid Aloulou, Didier Arnal, Ridha Chatbouri

The space of all tensor fields on , equipped with the Schouten bracket is a Lie algebra. The subspace of ascending tensors is a Lie subalgebra…

math.QA2008

Les (a,b)-algèbres à homotopie près

Walid Aloulou

We study in this article the concepts of algebra up to homotopy for a structure defined by two operations $ \pt $ and . Having determined the structure of algebr…

math.QA2008

Algèbres et cogèbres de Gerstenhaber et cohomologie de Chevalley-Harrison

Walid Aloulou, Didier Arnal, Ridha Chatbouri

The fundamental example of Gerstenhaber algebra is the space of polyvector fields on , equipped with the wedge product and the Schouten brac…

math.QA2005

Cohomologie de Chevalley des graphes vectoriels

Walid Aloulou, Didier Arnal, Ridha Chatbouri

The space of smotth functions and vector fields on is a Lie subalgebra of the (graded) Lie algebra , equipped with the Scouten bracket. In this paper, we co…