Differential Topology : Lectures Given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.) Held in Varenna (Como), Italy, August 25 - September 4, 1976

A. Banyaga: On the group of diffeomorphisms preserving an exact symplectic.- G.A. Fredricks: Some remarks on Cauchy-Riemann structures.- A. Haefliger: Differentiable Cohomology.- J.N. Mather: On the homology of Haefliger’s classifying space.- P. Michor: Manifolds of differentiable maps.- V. Poenaru: Some remarks on low-dimensional topology and immersion theory.- F. Sergeraert: La classe de cobordisme des feuilletages de Reeb de S3 est nulle.- G. Wallet: Invariant de Godbillon-Vey et difféomorphismes commutants. Front Matter....Pages i-iii On the Group of Diffeomorphis Preserving an Exact Symplectic Form....Pages 5-9 Some Remarks on Cauchy-Riemann Structures....Pages 11-18 Differential Cohomology....Pages 19-70 On the Homology of Haefliger's Classifying Space....Pages 71-116 Manifolds of differentiable maps....Pages 117-127 Some Remarks on Low-Dimensional Topology and Immersion Theory....Pages 129-138 La Classe De Cobordisme Des Feuilletages De Reeb De S 3 Est Nulle....Pages 139-150 Invariant De Godbillon-Vey Et Diffeomorphismes Commutants....Pages 151-159 Includes topics suah as: On the group of diffeomorphisms preserving an exact symplectic; Some remarks on Cauchy-Riemann structures; Differentiable Cohomology; On the homology of Haefliger's classifying space; Manifolds of differentiable maps; and, Some remarks on low-dimensional topology and immersion theory. Banyaga: On the group of diffeomorphisms preserving an exact symplectic.- G.A. Poenaru: Some remarks on low-dimensional topology and immersion theory.- F. Sergeraert: La classe de cobordisme des feuilletages de Reeb de S(3) est nulle.- G. Wallet: Invariant de Godbillon-Vey et diffeomorphismes commutants.