chapter Transient vibrations of planar networks of beams; interaction of flexion, transversal and longitudinal waves. -- chapter Can One Hear the Shape of a Network? -- chapter 3 Sensitivity analysis of 2D interface cracks / chapter On the asymptotic expansion of the solution of a DirichletVentcel problem with a small parameter -- chapter 5 On instantaneous control of singularly perturbed hyperbolic equations on graphs -- chapter 6 Hadamard formula in nonsmooth domains and applications / chapter 7 Singular Stress Field at the Tip of a Closed Interface Crack / chapter 8 On the geometric and algebraic multiplicities for eigenvalue problems on graphs -- chapter 9 The Asymptotic Laplace Transform: New Results and Relation to Komatsu's Laplace Transform of Hyperfunctions -- chapter 10 Some systems of PDE on polygonal networks / chapter About a geometrical approach to multistructures and some qualitative properties of solutions -- chapter Study of a Vibration Problem for a Perforated Plate with Fourier Boundary Conditions -- chapter 13 Singular Perturbations with Nonsmooth Limit and Finite Element -- chapter Modelling of a thin piezoelectric shell coupled with a distributed electronic circuit by distributed piezoelectric transducers.