$R$ value measurements for $e^+e^-$ annihilation at 2.60, 3.07 and 3.65 GeV

$R$--Matrix Construction of Electromagnetic Models for the Painlevé Transcendents

$R$--Parity Violating SUSY or Leptoquarks: Virtual Effects in Dilepton Production

$R$-matrices for Elliptic Calogero-Moser Models

$R$-matrices for the $n=2,3$ Elliptic Calogero-Moser Models

$R$-Parity Breaking Phenomenology

$R$-Parity in Supersymmetric Left-Right Models

$R$-Parity Violation and Flavour Violation

$R$-Parity Violation and Scalar Leptons Production at Lepton- Antilepton Colliders

$R$-Parity Violation in Flavor Changing Neutral Current Processes and Top Quark Decays

$R$-parity-Violating Supersymmetric Yukawa Couplings: A Mini-review

$R$-site Randomness Effect in Double-Perovskite $R$BaMn$_{2}$O$_{6}$

$R$-symmetric Gauge Mediation With Fayet-Iliopoulos Term

$Re(A_0)$, $Re(A_2)$ and RG evolution for $N_f=3$

$R^2$ 2D Quantum Gravity and Dually Weighted Graphs

$R^2$ curvature-squared corrections on drag force

$R^2$ Gravity in $(2+ε)$--Dimensional Quantum Gravity

$R^4$ couplings, the fundamental membrane and exceptional theta correspondences

$R^4$ terms in supergravity and M-theory

$R_b$ -- $R_c$ Crisis and New Physics