Complementarity and Variational Inequalities in Electronics (K. Addi, D. Goeleven).- Electromagnetic Scattering by a Chiral Impedance Screen (C. E. Athanasiadis, V. Sevroglou, K. Skourogiannis).- Optimal Batch Production with Rework Process for Products with Time Varying Demand over Finite Planning Horizon (L. Benkherouf, K. Skouri, I. Konstantaras).- On co-polynomials on the real line and the unit circle (Kenier Castillo, Francisco Marcellán, Jorge Rivero).- Electromagnetic Compatibility (EMC) in Challenging Environments (C. Christopoulos).- Cybersecurity Investments with Nonlinear Budget Constraints: Analysis of the Marginal Expected Utilities (P. Daniele, A. Maugeri, A. Nagurney).- Ellipsoid Targeting with Overlap (N. J. Daras).- A Review of Several Optimization Problems Related to Security in Networked System (B. DasGupta, V. Srinivasan).- On Some Information Geometric Approaches to Cyber Security (C. Dodson).- A Survey of Recent Inequalities for Relative Operator Entropy (S. S. Dragomir).- On the Use of Elliptic Regularity Theory for the Numerical Solution of Variational Problems (A. Dreves, J. Gwinner, N. Ovcharova).- Strong and Weak Convexity of Closed Sets in a Hilbert space (V. V. Goncharov, G. E. Ivanov).- Non-Equilibrium Solutions of Dynamic Networks: a Hybrid System Approach (Scott Greenhalgh, Monica-Gabriela Cojocaru).- Measuring Ballistic Dispersion for the Purpose of Ammunition Quality Assurance (W. J. Hurley, J. Brimberg, A. Pavlov).- Region-Based Watermarking for Images (K. A. Raftopoulos, N. Papadakis, K. S. Ntalianis, P. Tzouveli, G. Goudelis, S. D. Kollias).- Optimal Inventory Policies for Finite Horizon Inventory Models with Time Varying Demand: a Unified Presentation (K. Skouri, L. Benkherouf, I. Konstantaras).- Metrical Pareto Efficiency and Monotone EVP (M. Turinici).- New Two-Slope Parameterized Achievement Scalarizing Functions for Nonlinear Multiobjective Optimization (O. Wilppu, M. M. Makel, Y. Nikuli).