U(2) and Minimal Flavour Violation in Supersymmetry

U(2) Flavor Physics without U(2) Symmetry

U(2) instantons and leptons

U(2) invariant squeezing properties of pair coherent states

U(2) projectors and 't Hooft-Polyakov monopoles on a fuzzy sphere

U(2)-chiral symmetries of supersymmetric QED3

U(2)-like Flavor Symmetries and Approximate Bimaximal Neutrino Mixing

U(2)^5 flavor symmetry and lepton universality violation in W -> tau nu_tau

U(2)_{L}\times U(2)_{R} Chiral Theory of Mesons

U(2,2) gravity on noncommutative space with symplectic structure

U(3) and Pseudo-U(3) Symmetry of the Relativistic Harmonic Oscillator

U(3) chiral perturbation theory with infrared regularization

U(3)-Family Nonet Higgs Boson and its Phenomenology

U(3)-Flavor Nonet Scalar as an Origin of the Flavor Mass Spectra

U(3)_C \times Sp(1)_L \times U(1)_L \times U(1)_R

U(3)_{L}\times U(3)_{R} Chiral Theory of Mesons

u(bj)r & BV photometry of blue HB stars (Clewley+, 2004)

U(e3) from physics above the GUT scale

U(g)-finite locally analytic representations

U(N) and holomorphic methods for LQG and Spin Foams