$W_{1+\infty}, Similarity Transformation and Interplay Between Integer and Fractional Quantum Hall Effect

$W_{\infty} Algebra in Two-Dimensional Black Hole

$w_{\infty}$ 3-algebra

$W_{\infty}$ algebra in the integer quantum Hall effects

$W_{\infty}$ Algebras and Incompressibility in the Quantum Hall Effect

$W_{\infty}$ Algebras in the Quantum Hall Effect

$W_{\infty}$--Geometry and Associated Continuous Toda System

$w_{\infty}$-Currents in 3-Dimensional Toda Theory

$Wγ$ and $Zγ$ Production at Tevatron

$Wγγ$ Production at the Fermilab Tevatron Collider: Gauge Invariance and Radiation Amplitude Zero

$X$ Meson aka $η'$ and Kobayashi-Maskawa-'t Hooft Six-quark Vertex -- $U(1)_A$ Anomaly and Generalized Nambu-Jona-Lasinio Model --

$X(1835)$ and $η(1760)$ observed by the BES Collaboration

$X(1835)$ and the New Resonances $X(2120)$ and $X(2370)$ Observed by the BES Collaboration

$X(3872) \to D \bar D γ$ decays and the structure of X(3872)

$X(3872)\to J/ψπ^+π^-$ and $X(3872)\to J/ψπ^+π^-π^0$ decay widths from QCD sum rules

$x-$dependence of the quark distribution functions in the $χ$CQM$_{\rm config}$

$XXZ$ model as effective Hamiltonian for generalized Hubbard models with broken $η$-symmetry

$XYZ$ particles at Belle

$x_F$ Dependence of Drell-Yan Transverse Moemtum Broadening

$Z \to b {\bar b}$ in a composite model of fermions