Hamiltonian Systems and Celestial Mechanics.- Foreword.- On the Force Fields which are Homogeneous of Degree.- Bifurcations of the Spatial Central Configurations in the 5-Body Problem.- Convex Central Configurations of Two Twisted n-gons.- The Newtonian n-Body Problem in the Context of Curved Space.- Poincaré Maps and Dynamics in Restricted Planar (n + 1)-Body Problems.- A Methodology for Obtaining Asymptotic Estimates for the Exponentially Small Splitting of Separatrices to Whiskered Tori with Quadratic Frequencies.- Homoclinic and Heteroclinic Orbits for a Class of Singular Planar Newtonian Systems.- Transport Dynamics: from the Bicircular to the Real Solar System Problem.- Quasi-Periodic Almost-Collision Motions in the Spatial Three-Body Problem.- Generalized Discrete Nonlinear Schrödinger as a Normal Form at the Thermodynamic Limit for the Klein-Gordon Chain.- Stability of Euler-Type Relative Equilibria in the Curved Three Body Problem.- Two-dimensional Symplectic Return Maps and Applications.- Central Configurations of an Isosceles Trapezoidal Five-Body Problem.- The Discrete Hamiltonian-Hopf Bifurcation for 4D Symplectic Maps.- Moment Map of the Action of SO(3) on R3XR3.- Virus Dynamics and Evolution.- Foreword.- Modelling Infection Dynamics and Evolution of Viruses in Plant Populations.- The Spread of Two Viral Strains on a Plant Leaf.- Tracking the Population Dynamics of Plant Virus Escape Mutants.- Evolutionary Escape in Populations with Genotype-Phenotype Structure.- Evolution of Stalk/Spore Ratio in a Social Amoeba: Cell-to-Cell Interaction Via a Signaling Chemical Shaped by Cheating Risk.- Within-Host Viral Evolution Model with Cross-Immunity.- Modelling Viral Evolution and Adaptation.- Changes in Codon-Pair Bias of Human Immunodeficiency Virus Type 1 Affect Virus Replication.- Competing Neutral Populations of Different Diffusivity.- Density-Dependent Diffusion and Epidemics on Heterogeneous Metapopulations.- Are Viral Blips in HIV-1-Infected Patients Clinically Relevant?.- Models of Developmental Plasticity and Cell Growth.