Universality of attractors at weak dissipation and particles distribution in turbulence

Universality of Level Spacing Distributions in Classical Chaos

Universality of Probability Distributions Among Two-Dimensional Turbulent Flows

Universality of scaling and multiscaling in turbulent symmetric binary fluids

Universality of the Inertial-Convective Range in Kraichnan's Model of a Passive Scalar

Universality of Tsallis Non-Extensive Statistics and Fractal Dynamics for Complex Systems

Universality of Velocity Gradients in Forced Burgers Turbulence

Unmixing in Random Flows

Unpredictability, information, and chaos

Unstable dimension variability and synchronization of chaotic systems

Unstable Periodic Orbit Analysis of Histograms of Chaotic Time Series

Unstable periodic orbits in a chaotic meandering jet flow

Upper and lower bounds for the mutual information in dynamical networks

Use of Harmonic Inversion Techniques in Semiclassical Quantization and Analysis of Quantum Spectra

Use of Harmonic Inversion Techniques in the Periodic Orbit Quantization of Integrable Systems

Use of synchronization and adaptive control in parameter estimation from a time series

Using blinking fractals for mathematical modeling of processes of growth in biological systems

Using dimension reduction to improve outbreak predictability of multistrain diseases

Using Horseshoes to Create Coherent Structures

Using of Phenomenological Piecewise Continuous Map for Modeling of Neurons Behaviour