$O(α_s)$ Corrections to $b \bar b \to W^{\pm}H^{\mp}$ at the CERN Large Hadron Collider
$O(α_s)$ Corrections to $B \to X_s e^+ e^-$ Decay in the 2HDM
$O(α_s)$ corrections to $J/ψ+χ_{cJ}$ production at $B$ factories
$O(α_S)$ Corrections to the Photon Structure Functions $F^γ_2(x,Q^2)$ and $F_L^γ(x,Q^2)$
$O(α_s)$ Heavy Flavor Corrections to Charged Current Deep-Inelastic Scattering in Mellin Space
$O(α_s^2)$ and $O(α_s^3)$ Heavy Flavor Contributions to Transversity at $Q^2 \gg m^2$
$O(α_s^2)$ Contributions to the asymmetric fragmentation function in $e^+e^-$ annihilation
$O(α_s^2)$ Contributions to the longitudinal fragmentation function in $e^+\,e^-$ annihilation
$O(α_s^2)$ corrections to polarized heavy flavour production at $Q^2\gg m^2$
$O(α_s^2)$ Timelike Wilson Coefficients for Parton-Fragmentation Functions in Mellin Space
$O(α_s^3 T_F^2 N_F)$ Contributions to the Heavy Flavor Wilson Coefficients of the Structure Function $F_2(x,Q^2)$ at $Q^2 \gg m^2$
$O(α_{s}a)$ matching coefficients for axial vector current and $ΔB$$=$2 operator
$O(αα_s^2)$ correction to the electroweak $ρ$ parameter
$Om$ Diagnostic for Dilaton Dark Energy
$osp(1|2)$ off-shell Bethe ansatz equation with boundary terms
$O^\star$-algebras and quantum dynamics: some existence results
$O_\infty$ Realized on Bose Fock Space
$P \ne NP$, propositional proof complexity, and resolution lower bounds for the weak pigeonhole principle
$P$- and $T$-odd two-nucleon interaction and the deuteron electric dipole moment
$p$-$sd$ shell gap reduction in neutron-rich systems and cross-shell excitations in $^{20}$O