Table of contents : Symmetric lagrangian singularities and Gauss maps of theta divisors....Pages 1-26 On infinitesimal deformations of minimally elliptic singularities....Pages 27-41 C-Régularité et trivialité topologique....Pages 42-62 Folding maps and focal sets....Pages 63-72 The dual graph for space curves....Pages 73-80 On the components and discriminant of the versal base space of cyclic quotient singularities....Pages 81-92 - equivalence and the equivalence of sections of images and discriminants....Pages 93-121 Differential forms and hypersurface singularities....Pages 122-153 Local reflexional and rotational symmetry in the plane....Pages 154-171 The intersection form of a plane isolated line singularity....Pages 172-184 On the degree of an equivariant map....Pages 185-193 Automorphisms of direct products of algebroid spaces....Pages 194-198 Disentanglements....Pages 199-211 The euler characteristic of the disentanglement of the image of a corank 1 map germ....Pages 212-220 Vanishing cycles for analytic maps....Pages 221-234 On complete conditions in enumerative geometry....Pages 235-257 Right-symmetry of mappings....Pages 258-275 Deformations and the milnor number of non-isolated plane curve singularities....Pages 276-291 Vanishing cycles and special fibres....Pages 292-301 On the versal deformation of cyclic quotient singularities....Pages 302-319 On Canny's roadmap algorithm: orienteering in semialgebraic sets (an application of singularity theory to theoretical robotics)....Pages 320-339 Elliptic complete intersection singularities....Pages 340-372 Pencils of cubic curves and rational elliptic surfaces....Pages 373-405