2 papers
math.DG2012
The second Yamabe invariant with singularities
Mohammed Benalili, Hichem Boughazi
Let (M,g) be a compact manifold of dimension n greater or equals to 3. We suppose that g is a given metric in a precised Sobolev space and there is a point P in M and d>o such that…
math.DG2007
On the second Paneitz-Branson invariant
Mohammed Benalili, Hichem Boughazi
We define the second Paneitz-Branson operator on a compact Einsteinian manifold of dimension and we give sufficient conditions that make it attained.