Uncertainties in field-line tracing in the magnetosphere. Part II: the complete internal geomagnetic field
Uncertainties in phase shifts and amplitude ratios: Theory and practice
Uncertainty Quantification and Parameter Estimation Utilizing a Global Ionosphere Thermosphere Model
Uncertainty quantification in complex systems using approximate solvers
Uncertainty Quantification in Hybrid Dynamical Systems
Unconventional C-12 production in population III stars
Uncovering the Galaxy with 2MASS
Undamped oscillations of homogeneous collisionless stellar systems
Understanding changes in period ratios
Understanding Magnetic Eruptions on the Sun and their Interplanetary Consequences - The Solar MURI Project.
Understanding of slip-weakening and -strengthening in a single framework of modeling and its seismological implications
Unified NLTE model atmospheres including spherical extension and stellar winds. II - EUV-fluxes and the He II-Zanstra discrepancy in central stars of planetary nebulae
Unified System for Orbit Computation (USOC). Volume 2: Orbits in the solar system
Unified theory calculations of Stark-broadened hydrogen lines in the presence of a magnetic field
Uniform generation of random acyclic digraphs
Uniform magnetic fields generated by circular current-carrying coils
Universal Attosecond Response to the Removal of an Electron
Universal particle acceleration
Universal rotation - How large can it be?
Universality of chaotic rare fluctuations in a locally coupled phase map model