Plenary Talks.- Nonnegative Matrices — Old Problems, New Applications.- The Positive Realization Problem: Past and Future Challenges.- A Tour of Systems with the Max-Plus Flavor.- Invited Session Positive Discrete-Time Systems (Part I).- Nonnegativity of Control Singular Systems via State-Feedbacks.- Bidiagonal Factorization of Totally Nonnegative Rectangular Matrices.- On Positive Realizations of Irreducible Transfer Matrices.- Positive Switching Systems.- Invited Session Positive Discrete-Time Systems (Part II).- Positive Normalizable Singular System.- Positive Solutions of a Discrete-Time System and the Leontief Price-Model.- Additional Results on the Reachability Index of Positive 2-D Systems.- Positive Equilibrium Points of Positive Discrete-Time Systems.- Invited Session Positive Modeling and Control of Biological Systems.- Optimal Release Policy for Prophylactic Biological Control.- Feedback-Mediated Oscillatory Coexistence in the Chemostat.- Trajectory Parametrisation for a Positive System: The Biological Clock Example.- Stability Analysis of an Ecological Model.- Invited Session Parameter Estimation of Biological and Physiological Systems.- Multicompartmental Modeling of a Complex Physiological System: Special Emphasis on the Steps of a priori Identifiability and Parameter Estimation.- Global Identifiability as a Prerequisite for Model Parameterisation — The Case of Soil Carbon Model Yasso.- Guaranteed Optimization of the Parameters of Continuous-Time Knowledge-Based Models.- Modeling the Human Cardiovascular Control Response to Blood Volume Loss Due to Hemorrhage.- Invited Session Markov Chains.- Positive Invariance of Polyhedrons and Comparison of Markov Reward Models with Different State Spaces.- Deflection Routing on a Torus Is Monotone.- Convergence Times for Parallel Markov Chains.- Class C Markov Chains and Transient Analysis.- Invited Session Communication Problems (Part I).- An Algebraic Approach to the Structural Properties of Continuous Time Positive Switched Systems.- Nonlinear AIMD Congestion Control and Contraction Mappings.- Maximal Nonnegative Perturbation of a Nonnegative Matrix.- Convergence of Products of Stochastic Matrices with Positive Diagonals and the Opinion Dynamics Background.- Invited Session Communication Problems (Part II).- Convergence of the Multidimensional Agreement Algorithm when Communication Fades Away.- On Parrondo’s Games as Generalized by Behrends.- Social Leaders in Graphs.- The T-PageRank: A Model of Self-Validating Effects of Web Surfing.- Condensing.- Contributed Papers.- A Nonuniform Semi-implicit Numerical Method for Computing Unsteady Chemical Transport Flow in Tapered Ducts.- Positive or Negative Regulatory Circuit Inference from Multilevel Dynamics.- State-Constrained Optimal Control Applied to Cell-Cycle-Specific Cancer Chemotherapy.- Bifurcation Analysis of a Biochemical Network.- On Controllability of Nonlinear Systems Described by Ordinary Differential Equations.- On the Positive LQ-Problem for Linear Continuous-Time Systems.- Further Results on Global Stabilization of the PVTOL Aircraft.- Global Optimization Problems in Stability Analysis of Linear Dynamical Systems.- Singular Perturbation Analysis of an Additive Increase Multiplicative Decrease Control Algorithm Under Time-Varying Buffering Delays.- Minimal Positive Realizations of Third-Order Systems with Complex Poles.- Positive Decomposition of Transfer Functions with Multiple Poles.- On the Existence of Positive Linear Observers for Positive Linear Systems.- Compartmental Modeling and Adaptive Control of Stochastic Nonnegative Systems.- Accelerated Leap Methods for Simulating Discrete Stochastic Chemical Kinetics.- Recursive Filtering Using Quasi-Realizations.- Max-Plus: A Network Algebra.- Optimal Control of Timed Continuous Petri Nets via Explicit MPC.- A Precompensator Synthesis for P-Temporal Event Graphs.- Nonlinear Perron-Frobenius Theory and Dynamics of Cone Maps.- Invariance and Monotonicity of Nonlinear Iterated Systems.- Almost Global Convergence in Singular Perturbations of Strongly Monotone Systems.- Robust Absolute Stability Using Polynomial Positivity and Sign Decomposition.- System Reduction of Nonlinear Positive Systems by Linearization and Truncation.- Stable Periodic Orbits Associated with Bursting Oscillations in Population Dynamics.