Le Mau Hai

Abstract 

     It is shown that every hypersurface H in a (DFM)-space E is of uniform type. This means that there exist a continuous semi-norm ρ on E and a hypersurface Ĥ in E_ρ , the Banach space associated to such that H=ω_ρ^-1(Ĥ), where ω_ρ: E  ----> E_ρ is the canonical map.