Includes bibliographical references.

Boundary observability and controllability of linear elastodynamic systems ; Riblets and drag minimization ; Minmax problems for nonpotential operator equations ; An infinitedimensional time optimal control problem ; Dirichlet problem for nonlinear first order partial differential equations ; Hidden boundary smoothness for some classes of differential equations on submanifolds ; Convergence to the asymptotic model for linear thin shells ; Variational formulation of optimal damping designs ; Local exact boundary controllability of the NavierStokes system ; On uniqueness and stability in the Cauchy problem ; Augmented LagrangianSQP techniques and their approximations ; Recent progress and open problems in control of multilink elastic structures ; Spatiotemporal control in the coefficients of linear hyperbolic equations ; Modified interior distance functions ; Optimal energy decay rate in a damped Rayleigh beam ; Approximate and exact formability of twodimensional elastic structures ; complete and incomplete actuator families ; Displacement derivatives in shape optimization of thin shells ; Carleman estimates, unique continuation and controllability for anizotropic PDEs ; NavierStokes equations in thin spherical domains ; The algebraic Riccati equation with unbounded control operator: the abstract hyperbolic case revisited ; Oneparameter families of solutions to a class of PDE optimal control problems Fatiha Alabau and Vilmos Komornik ; Youcef Amirat and Jacques Simon ; Giles Auchmuty ; Piermarco Cannarsa and Carlo Sinestrari ; Bernard Dacorogna and Paolo Marcellini ; Michel C Delfour and JeanPaul Zolesio ; Michel C Delfour and JeanPaul Zolesio ; F Fahroo and K Ito ; A V Fursikov and O Yu Imanuvilov ; Victor Isakov ; K Kunisch and S Volkwein ; John E Lagnese ; Konstantin A Lurie ; Roman A Polyak ; Bopeng Rao ; David L Russell ; Jan Sokoowski ; Daniel Tataru ; R Temam and M Ziane ; R Triggiani ; M I Zelikin