Algebra Algebraic Topology and their Interactions : Proceedings of a Conference held in Stockholm Aug. 3–13 1983 and later developments Through the looking glass: A dictionary between rational homotopy theory and local algebra A rational homotopy analog of Whiteheads problem Hilbert series of finitely presented algebras On endomorphism rings of canonical modules (joint work with Shiro Goto) Golod homomorphisms On the rates of growth of the homologies of Veronese subrings When is the double Yoneda ext algebra of a local noetherian ring again noetherian On a conjecture of roos Two examples of smooth projective varieties with non zero Massey products The radical of *(S) Sur loperation dholonomte rationnelle Flat families of local artinian algebras with an infinite number of Poincaré series A note on intersection multiplicities Reducing the Poincaré series of local rings to the case of quadratic relations The radical of *(S) II High skeleta of CW complexes Matric massey products and formal moduli I A method for constructing bad noetherian local rings Yet another proof of a result by Ogoma Modele minimal relatif des feuilletages Lusternik — Schnirelmann category: An introduction Séries de Bass des modules de syzygie On the subalgebra generated by the one dimensional elements in the Yoneda ext algebra The general extension of a local ring and mixed multiplicities Cohomologie de Harrison et type dhomotopie rationnelle Cohomologie de lespace des sections dun fibre et cohomologie de Gelfand Fuchs dune variete.