U Pb zircon ages as a sediment mixing tracer in the Nepal Himalaya

U-statistics and random subgraph counts: Multivariate normal approximation via exchangeable pairs and embedding

U-statistics of Ornstein-Uhlenbeck branching particle system

UBV(RI)cHalpha photometry in omega Cen (Bellini+, 2009)

ubvyΔa photometry of Renson stars (Maitzen+ 1998)

Ultra-violet Rays and Their Variations

Ultra-wide, Low-mass Binaries: Constraints on Binary Formation Theory and Calibration of Fundamental Stellar Parameters

Ultrahigh energy neutrino absorption by neutrino dark matter

Ultrametric and tree potential

Ultrametric random field

Ultraspherical type generating functions for orthogonal polynomials

Ultraviolet Background Radiation

ULYSSES at High Solar Latitudes: The Signature of Evolving Turbulence in Quiet Fast Solar Wind

Ulysses observations of field-perpendicular plasma flows in the Jovian magnetosphere: comparison of ExB velocity vectors derived from energetic ion and thermal electron data

Umbral nature of the Poisson random variables

Un processus ponctuel associé aux maxima locaux du mouvement brownien

Un théorème limite pour les covariances des spins dans le modèle de Sherrington--Kirkpatrick avec champ externe

Unbiased Luminosity Calibrations for HIPPARCOS Data

Unbiased shifts of Brownian motion

Uncertainties in Photochemical Models of Reducing Environments : Evaluation of the case for Titan