1. Optimal design problems through the homogenization method Juan Casado-Díaz, Manuel Luna-Laynez, and Faustino Maestre 2. Structure-preserving numerical schemes for Hamiltonian dynamics Philippe Chartier and Erwan Faou 3. Relaxation methods for optimal switching control of PDE-dynamical systems Falk M. Hante 4. Feedback control of time-dependent nonlinear PDEs with applications in fluid dynamics Peter Benner and Michael Hinze 5. Computation of invariant sets for complex systems Benoît Legat and Raphaël M. Jungers 6. Nonlocal balance laws - an overview over recent results Alexander Keimer and Lukas Pflug 7. Nonoverlapping domain decomposition and virtual controls for optimal control problems of p-type on metric graphs Günter Leugering 8. Filtration techniques for the uniform controllability of semidiscrete hyperbolic equations Sorin Micu and Ionel Roventa 9. Discrete-time formulations as time discretization strategies in data assimilation Philippe Moireau 10. Approximation of exact controls for semilinear wave and heat equations through space-time methods Arnaud Münch 11. Computational approaches for extremal geometric eigenvalue problems Chiu-Yen Kao, Braxton Osting, and Edouard Oudet 12. Unbalanced Optimal Transport, from theory to numerics Thibault Séjourné, Gabriel Peyré, and François-Xavier Vialard 13. Numerics and control of conservation laws Michael Herty and Stefan Ulbrich 14. Extensions of ADMM for separable convex optimization problems with linear equality or inequality constraints Bingsheng He, Shengjie Xu, and Xiaoming Yuan 15. An algorithmic guide for finite-dimensional optimal control problems Jean-Baptiste Caillau, Roberto Ferretti, Emmanuel Trélat, and Hasnaa Zidani