On the localization theorem at the cochain level and free torus actions -- On homotopy classification problems of J.H.C. whitehead -- Regular polytopes and equivariant tessellations from a combinatorial point of view -- A problem of adams on H* (BG;Zp) -- On the stable cohomology of the mapping class group -- Homology operations derived from modular coinvariants -- Higher order homotopy invariants for higher dimensional link maps -- Smooth and locally linear g homotopy representations -- Closed geodesics on stiefel manifolds -- Topological H0ร{151}H1-actions on spheres and linking numbers -- Verschlingung von Fixpunktmengen in Darstellungsformen. I -- Modular Representations of GL(n,FP) and Homotopy Theory -- Quelques propriรฉtรฉs du foncteur