2 papers
math.DG2002
Sur des varietes de Cauchy-Riemann dont la forme de Levi a une valeur propre positive
Olivier Biquard
For certain real hypersurfaces in the projective space, of signature (1,n), we study the filling problem for small deformations of the CR structure (the other signatures being well…
math.DG2000
Metriques autoduales sur la boule
Olivier Biquard
A conformal metric on a 4-ball induces on the boundary 3-sphere a conformal metric and a trace-free second fundamental form. Conversely, such a data on the 3-sphere is the boundary…