Efficient Algorithms for the Routing Open Shop with Unrelated Travel Times on Cacti -- Local Strong Convexity in Hilbert Space -- Semidefinite Relaxation and Sign-Definiteness of Quadratic Forms on the Cone -- Distance-Constrained Line Routing Problem -- Synthesis, Analysis and Parameters Optimization Problems for Multidimensional Mathematical Models of Interconnected Populations Dynamics -- Lipschitz Continuity of the Optimal Solution of the Infimal Convolution Problem and Subdifferential Calculus -- Polynomial-Time Solvability of One Optimization Problem Induced by Processing and Analyzing Quasiperiodic ECG and PPG Signals -- Equity-Linked Notes Portfolio Optimization -- On Optimization Problem Arising in Computer Simulation of Crystal Structures -- On the Complexity of Some Quadratic Euclidean Partition Problems into Balanced Clusters -- An Approximate Solution of a GNSS Satellite Selection Problem using Semidefinite Programming -- Dynamic Marketing Model: the Case of Piece-Wise Constant Pricing -- Preconditioned Subspace Descent Methods for the Solution of Nonlinear Systems of Equations -- Comparison of Direct and Indirect Approaches for Numerical Solution of the Optimal Control Problem by Evolutionary Methods -- On PTAS for the Geometric Maximum Connected k-Factor Problem -- Generalization of Controls Bimodality Property of the Optimal Exploitation Problem for Ecological Population with a Binary Structure -- On a Global Search in D.C. Optimization Problems -- P-regularity Theory and Nonlinear Optimization Problems -- Optimization of Kernel Estimators of Probability Densities -- Golden Rule Saving Rate for an Endogenous Production Function -- Computational Methods for the Smoothed Version of Stable Dynamic Model -- Dual Multiplicative-Barrier Methods for Linear Second-Order Cone Programming -- A Problem of Scheduling Operations at a Locomotive Maintenance Depot -- An Experimental Study of Univariate Global Optimization Algorithms for Finding the Shape Parameter in Radial Basis Functions -- Time-Optimal Control Problem with State Constraints in a Time-Periodic Flow Field -- The generalized ellipsoid method and its implementation -- Numerical method for solving the problem of optimal control by system ODE of a block structure -- A Graph-Theoretic Approach to Multiobjective Permutation-Based Optimization -- A Smoothing Lagrange Multiplier Method for Solving the Quasi-variational Signorini's Inequality -- Polynomial Capacity Guarantees PTAS for the Euclidean Capacitated Vehicle Routing Problem Even for Non-uniform Non-splittable Demand -- New Version of Mirror Prox for Variational Inequalities with Adaptation to Inexactness -- Computational Experience and Challenges with the Dual Epi-Projection Algorithms for Non-Smooth Optimization -- A Criterion of Optimality of Some Parallelization Scheme for Backtrack Search Problem in Binary Trees -- Well Posedness of the Nearest Points Problem for Two Sets in Asymmetric Seminormed Spaces -- Two Optimization Problems for a Material Point Moving along a Straight Line in the Presence of Friction and Limitation on the Velocity.