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math.AG2011
A sufficient condition for the fiber of the tangent bundle of a scheme and its Zariski tangent space to be isomorphic
Colas Bardavid
In this note, we give a simple necessary condition for the Zariski relative tangent space and the Grothendieck relative tangent space to be isomorphic.
math.AG2010
On the geometrization of a lemma of differential Galois theory
Colas Bardavid
In this paper, we give a geometrization and a generalization of a lemma of differential Galois theory. This geometrization, in addition of giving a nice insight on this result, off…
math.AG2010★ 1 cited
Vector fields and differential schemes
Colas Bardavid
We define vector fields, leaves and trajectories for schemes. With these tools, we are able to give a geometrical interpretation and to generalize several results of differential G…