U(1) invariant Membranes and Singularities

U(1) Lattice Gauge theory and its Dual

U(1) lattice gauge theory and N=2 supersymmetric Yang-Mills theory

U(1) masses in intersecting D-brane SM-like models

U(1) Mediation of Flux Supersymmetry Breaking

U(1) Noncommutative Gauge Fields and Magnetogenesis

U(1) Problem at Finite Temperature

U(1) Problem Revisited

U(1) staggered Dirac operator and random matrix

U(1) symmetry and elimination of spin-0 gravitons in Horava-Lifshitz gravity without the projectability condition

U(1) symmetry and R parity violation

U(1) textures and Lepton Flavor Violation

U(1) x U(1) Quaternionic Metrics from Harmonic Superspace

U(1)$_A$ Models of Fermion Masses Without a $μ$ Problem

U(1)' solution to the mu-problem and the proton decay problem in supersymmetry without R-parity

U(1)' Symmetry Breaking in Supersymmetric E6 Models

U(1)-decoupling, KK and BCJ relations in $\mathcal{N}=4$ SYM

U(1)-invariant membranes: the geometric formulation, Abel and pendulum differential equations

U(1)xSU(m)_1 Theory and c=m W_{1+\infty} Minimal Models in the Hierarchical Quantum Hall Effect

U(1)_A symmetry in two-doublet models, U bosons or light scalars, and psi and Upsilon decays