This is a long awaited book on rational homotopy theory which contains all the main theorems with complete proofs, and more elementary proofs for many results t

This completely revised and corrected version of the well-known Florence notes circulated by the authors together with E. Friedlander examines basic topology, e

The rational [bold]PL de Rham theory of Sullivan is developed and generalized, using methods of Quillen's "homotopical algebra." For a field k of characteristic

The Grothendieck–Teichmüller group was defined by Drinfeld in quantum group theory with insights coming from the Grothendieck program in Galois theory. The u

This research monograph is a detailed account with complete proofs of rational homotopy theory for general non-simply connected spaces, based on the minimal mod