Table of contents : Foliations with all leaves compact....Pages 1-2 A question concerning compact foliations....Pages 2-4 Compact leaves of foliations....Pages 4-6 Foliations with measure preserving holonomy....Pages 6-7 Foliated bundles, flat manifolds and invariant measures....Pages 8-9 A stable analytic foliation with only exceptional minimal sets....Pages 9-10 Accessibility and foliations....Pages 10-12 A Poincaré-Bendixson Theorem for R 2 -actions....Pages 12-13 Linearly induced vector fields and R 2 -actions on spheres....Pages 13-17 Structural stability for line fields with singularities on two-manifolds....Pages 17-19 Lie algebra preserving diffeomorphisms....Pages 19-20 The point spectrum of the adjoint to an automorphism of a vector bundle....Pages 20-21 Structural stability for C 1 diffeomorphisms....Pages 21-23 Absolute and infinitessimal stability....Pages 24-26 Classification of Anosov diffeomorphisms on Tori....Pages 26-27 Quasi-Anosov diffeomorphisms....Pages 27-29 Suspensions of topological Markov chains....Pages 30-31 Equilibrium states....Pages 32-35 Ergodic theory of Axiom A flows....Pages 35-36 Homology theory and dynamical systems....Pages 36-39 Topological entropy and stability....Pages 39-40 Cohomology of expanding attractors....Pages 41-42 Homology classes composed of infinitely many unstable manifolds of a dynamical system....Pages 42-44 Morse inequalities for diffeomorphisms with shoes and flows with solenoids....Pages 44-47 Arcs of Dynamical Systems: Bifurcations and Stability....Pages 48-53 Simple arcs and stable dynamical systems....Pages 53-55 Hilbert's 16th problem: Limit cycles of polynomial vector fields in the plane....Pages 55-57 Topological conjugacy of real projective transformations....Pages 57-59 Fixed point index of area-preserving maps....Pages 59-60 Homoclinic points of area preserving maps....Pages 60-61 Generic Bifurcations in Hamiltonian Systems....Pages 62-70 The Maslov index for Lagrangian manifolds....Pages 70-71 Contact equivalence for Lagrangian submanifolds....Pages 71-73 Optimisation of several functions....Pages 73-75 Bifurcation of Whitney Maps ℝ n →ℝ 2 and Critical Pareto sets....Pages 75-77 A certain semilinear system of partial differential equations....Pages 78-79 Constrained Differential Equations....Pages 80-82 What is the Unit of Selection?....Pages 82-84 Zakalyukin's proof of the (uni)versal unfolding theorem....Pages 85-86 The Catastrophe of a Buckling Beam....Pages 86-91 Reversals of the Earth's Magnetic Field....Pages 91-98 Phase transitions as catastrophes....Pages 98-100 Caustics and catastrophes....Pages 100-101 Catastrophe theory in biology....Pages 101-105 Pyramidal Cells as Hierarchical Relators....Pages 105-107 Solving a single conservation law....Pages 108-134 Infinite codimension and transversality....Pages 135-150 On infinitessimal and absolute stability of diffeomorphisms....Pages 151-161 Expansive diffeomorphisms....Pages 162-174 Stability of endomorphisms....Pages 175-184 Topological Entropy and the First Homology Group....Pages 185-190 The implicit function theorem and analytic differential equations....Pages 191-208 On simple arcs between structurally stable flows....Pages 209-233 Nondifferentiability of invariant foliations....Pages 234-240 Genericity theorems in topological dynamics....Pages 241-250 The homology class of an expanded invariant manifold....Pages 251-256 On the entropy conjecture: a report on conversations among R. Bowen M. Hirsch, A. Manning, C. Pugh, B. Sanderson, M. Shub and R. Williams....Pages 257-261 Structural stability of C 1 flows....Pages 262-275 Removing index-zero singularities with C 1 -small perturbations....Pages 278-286 Sufficient conditions for an optimum....Pages 287-292 Tolerance Stability....Pages 293-304 Geometric Aspects of Non-linear R.L.C. Networks....Pages 305-331 Regular stratifications....Pages 332-344 Fifty problems in dynamical systems....Pages 345-353 Dynamical systems—five years after....Pages 354-365 Catastrophe Theory: Its present state and future perspectives....Pages 366-366 La Théorie des Catastrophes: Etat Présent et Perspectives....Pages 366-372 Catastrophe Theory: A reply to thom....Pages 373-383 Answerto Christopher Zeeman's reply....Pages 384-389