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 H0×H1-actions on spheres and linking numbers.- Verschlingung von Fixpunktmengen in Darstellungsformen. I.- Modular Representations of GL(n,FP) and Homotopy Theory.- Quelques propriétés du foncteur .