Smooth toral actions on principal bundles and characteristic classes -- Integrable forms on iterated loop spaces and higher dimensional non abelian de Rham theory -- Métriques d'Einstein-Kähler -- Spherical finite type submanifolds.Applications -- Representing the super Virasoro algebra by meromorphic vectorfields on the graded Riemann sphere -- Algebraic characterizations by means of the curvature in contact geometry -- Some results on the normal subgroups of Diff? (X×?+, rel X×[0]) -- On volume elements on a non-compact manifold -- On codimension-one foliations -- Une application des algebres de Clifford -- Möbius geometry VI. characterization of the homogeneous tori -- Hypersurfaces of constant mean curvature -- Compactification and completion of Yang-Mills moduli spaces -- Rapid decay of eigenfunctions -- Differential invariants on the bundles of g-structures -- The eta invariant of even order operators -- Curvature of contact Riemannian three-manifolds with critical metrics -- On a linearizability condition for a three-web on a two-dimensional manifold -- Submanifolds with Euclidean complements -- Graded derivations of the algebra of differential forms associated with a connection -- Generalized symplectomorphisms -- Asymptotic behavior of the Yang-Mills gradient flow -- Some global properties of closed space curves -- Metrics of constant curvature on a sphere with two conical singularities.

This volume of proceedings contains selected and refereed articles - both surveys and original research articles - on geometric structures, global analysis, differential operators on manifolds, cohomology theories and other topics in differential geometry.