Geometrical and Analytical Questions in Nonlinear Elasticity. - An Introduction to Euler's Equations for an Incompressible Fluid. - Linearizing Flows and a Cohomology Interpretation of Lax Equations. - The Ricci Curvature Equation. - A Walk Through Partial Differential Equations. - Remarks on Zero Viscosity Limit for Nonstationary Navier-Stokes Flows with Boundary. - Free Boundary Problems in Mechanics. - The Method of Partial Regularity as Applied to the Navier-Stokes Equations. - Shock Waves Increase of Entropy and Loss of Information. - Stress and Riemannian Metrics in Nonlinear Elasticity. - The Cauchy Problem and Propagation of Singularities. - Analytical Theories of Vortex Motion. - The Minimal Surface Equation. - A Survey of Removable Singularities. - Applications of the Maximum Principle. - Minimax Methods and Their Application to Partial Differential Equations. - Analytic Aspects of the Harmonic Map Problem. - Equations of Plasma Physics. Language: English