Real Analytic Maps of Manifolds into Manifolds of one Lower Dimension.
Recognition of -singularities of functions.
Reducibility theorems for differentiable liftings in fiber bundles
Relations between exponential laws for spaces of -functions.
Relative cohomology and volume forms
Removable singularities for the Yang-Mills-Higgs equations in two dimensions
Restrictions of smooth functions to a closed subset
We first provide an approach to the conjecture of Bierstone-Milman-Pawłucki on Whitney’s problem on extendability of functions. For example, the conjecture is affirmative for classical fractal sets. Next, we give a sharpened form of Spallek’s theorem on flatness.
Résultats nouveaux a propos des conjectures de Lichnerowicz et de Carathéodory
Rotation numbers for diffeomorphisms and flows