Scindement d’une équivalence d’homotopie en dimension
Some applications of Coincidence theory.
Some topics concerning homeomorphic parameterizations.
In this survey, we consider several questions pertaining to homeomorphisms, including criteria for their existence in certain circumstances, and obstructions to their existence.
Stabilisation, bordism and embedded spheres in 4-manifolds.
Sulla coomologia intera delle varietà differenziabili
Sur l'homologie de l'espace des lacets d'une variété compacte