Table of contents : Beyond the maximal rank conjecture for curves in IP 3 ....Pages 1-23 Hilbert functions of finite sets of points and the genus of a curve in a projective space....Pages 24-73 On the cohomology of projective curves....Pages 74-83 On the variety of nets of quadrics defining twisted cubics....Pages 84-96 Genre d'une courbe lisse tracee sur une variete reglee....Pages 97-107 Space curves: Complete series and speciality....Pages 108-123 Sections planes et multisecantes pour les courbes gauches generiques principales....Pages 124-155 Sketch of a verification of Schubert's number 5819539783680 of twisted cubics....Pages 156-180 Non-reduced components of the hilbert scheme of smooth space curves....Pages 181-207 A family of vector bundles on ℙ 3 ....Pages 208-231 Multiplicities and Betti numbers of homogeneous ideals....Pages 232-250 On parametrized rational curves in grassmann varieties....Pages 251-272