Ulam method and fractal Weyl law for Perron--Frobenius operators
Ulam method for the Chirikov standard map
Ultimate-state scaling in a shell model for homogeneous turbulent convection
Ultradiscretization of solvable one-dimensional chaotic maps
Ultrametric structure of multiscale energy correlations in turbulent models
Ultrasound scattering and the study of vortex correlations in disordered flows
Unbiased estimation of multi-fractal dimensions of finite data sets
Undecidability everywhere?
Under what kind of parametric fluctuations is spatiotemporal regularity the most robust?
Understanding Anomalous Transport in Intermittent Maps: From Continuous Time Random Walks to Fractals
Understanding complex dynamics by means of an associated Riemann surface
Understanding deterministic diffusion by correlated random walks
Understanding Long-range Correlations in DNA Sequences
Understanding the different scaling behavior in various shell models proposed for turbulent thermal convection
Understanding the Multi-Scale and Multi-fractal Dynamics of Space Plasmas Through Tsallis Non-Extensive Statistical Theory
Uni-directional transport properties of a serpent billiard
Unified Model, and Novel Reverse Recovery Nonlinearities, of the Driven Diode Resonator
Uniform approximation for diffractive contributions to the trace formula in billiard systems
Uniform Approximation for Period-Quadrupling Bifurcations
Uniform approximation of barrier penetration in phase space