Universality of the Lyapunov regime for the Loschmidt echo

Universality of the metal-insulator transition in three-dimensional disordered systems

Universality of the Wigner time delay distribution for one-dimensional random potentials

Universality-class dependence of energy distributions in spin glasses

Unjamming of Granular Packings as a Constraint Satisfaction Problem: Evidence for a Growing Static Length Scale in Frictionless Packings

Unstable attractors induce perpetual synchronization and desynchronization

Unstable Attractors: Existence and Robustness in Networks of Oscillators With Delayed Pulse Coupling

Unstable Dynamics, Nonequilibrium Phases and Criticality in Networked Excitable Media

Unsupervised learning and adaptation in a model of adult neurogenesis

Unsupervised learning of binary vectors: a Gaussian scenario

Unusual modes and photonic gaps in a Vicsek waveguide network

Unusual percolation in simple small-world networks

Upper critical dimension in the scaling theory of localization

Urban tranport phenomena in the street canyon

Using explosive percolation in analysis of real-world networks

Using NMR to Measure Fractal Dimensions

Using Recurrent Neural Networks To Forecasting of Forex

Using synchronization of chaos to identify the dynamics of unknown systems

Using synchronization to improve earthquake forecasting in a cellular automaton model