Classes caracteristiques lagrangiennes -- Combinatorial and arithmetic identities based on formal group laws -- On the stable splitting of U(n) and ?U(n) -- The homotopy spectral sequence for equivariant function complexes -- On the homotopy type of the components of map*(BS3,BS3) -- The homotopic uniqueness of BS 3 -- Maps between classifying spaces -- Nilpotent group action and Euler characteristic -- On the fundamental catn-group of an n-cube of spaces -- Coloring maps on surfaces -- Sur les A-algebres instables -- The Homotopy category of homotopy factorizations -- Proper cohomologies and the proper classification problem -- Squaring operations in mod 2 cohomology of quotients of compact lie groups by maximal tori -- On the structure of the ?-injectives -- The bott filtration of a loop group -- On maps from F to Z -- Splitting ?(CP? ×…× CP?) and the action of steenrod squares Sqi on the polynomial ring F2 [x1,…,xn].