Preface -- Null directions and curvature -- Generalized stereographic projections with prescribed scalar curvature -- The conjugacy index and simple astigmatic focusing -- On the size of the blow-up set for a quasilinear parabolic equation -- Contact 3-manifolds with positive scalar curvature -- Remarks on the operator div (u
Gradient estimates for solutions of nonlinear parabolic oblique boundary problem -- Liouville theorems and regularity of minimizing harmonic maps into super strongly unstable manifolds