Stabilization for the Wave Equation on Exterior Domains. - Carleman Estimate and Decay Rate of the Local Energy for the Neumann Problem of Elasticity. - Microlocal Defect Measures for Systems. - Strong Uniqueness for Laplace and Bi-Laplace Operators in the Limit Case. - Stabilization for the Semilinear Wave Equation in Bounded Domains. - Recent Results on Unique Continuation for Second Order Elliptic Equations. - Strong Uniqueness for Fourth Order Elliptic Differential Operators. - Second Microlocalization Methods for Degenerate CauchyRiemann Equations. - A Gärding Inequality on a Manifold with Boundary. - Some Necessary Conditions for Hyperbolic Systems. - Strong Unique Continuation Property for First Order Elliptic Systems. - Observability of the Schrödinger Equation. - Unique Continuation from Sets of Positive Measure. - Some Results and Open Problems on the Controllability of Linear and Semilinear Heat Equations. Language: English