On Vector Quasi—Equilibrium Problems.- The Log-Quadratic Proximal Methodology in Convex Optimization Algorithms and Variational Inequalities.- The Continuum Model of Transportation Problem.- The Economic Model for Demand—Supply Problems.- Constrained Problems of Calculus of Variations Via Penalization Technique.- Variational Problems with Constraints Involving Higher—Order Derivatives.- On the strong solvability of a unilateral boundary value problem for Nonlinear Parabolic Operators in the Plane.- Solving a Special Class of Discrete Optimal Control Problems Via a Parallel Interior—Point Method.- Solving Large Scale Fixed Charge Network Flow Problems.- Variable Projection Methods for Large—Scale Quadratic Optimization in data Analysis Applications.- Strong solvability of boundary value problems in elasticity with Unilateral Constraints.- Time Dependent Variational Inequalities — Some Recent Trends.- On the Contractibility of the Efficient and Weakly Efficient Sets in R2.- Existence Theorems for a Class of Variational Inequalities and Applications to a Continuous Model of Transportation.- On Auxiliary Principle for Equilibrium Problems.- Multicriteria Spatial Price Networks: Statics and Dynamics.- Non regular data in unilateral variational problems.- Equilibrium Concepts in Transportation Networks: Generalized Wardrop Conditions and Variational Formulations.- Variational Geometry and Equilibrium.- On the Calculation of Equilibrium in Time Dependent Traffic Networks.- Mechanical Equilibrium and Equilibrium Systems.- False Numerical Convergence in Some Generalized Newton Methods.- Distance to the Solution Set of an Inequality with an Increasing Function.- Transportation Networks with Capacity Constraints.