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

$R^2$ 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

$S$-Duality and $H$-Monopoles

$S$-Duality and the Calabi-Yau Interpretation of the $N = 4$ to $N = 2$ Flow

$S$-duality in Vafa-Witten theory for non-simply laced gauge groups

$S$-matrix representation of the finite temperature propagator in $λφ^4$-QFT

$sl(2)_{-4}$ WZW Model as an N=4 Supersymmetric Bosonic String with $c=-2$ matter

$SL(2,R)$ symmetry and quasi-normal modes in the BTZ black hole

$SL(2,R)xSU(2)/R^2$ string model in curved spacetime and exact conformal results

$SL(2,Z)$ Self-duality of Super D3-brane Action on $AdS_5 \times S^5$

$SL(n,R)$ KDV Hierarchy and its Nonpolynomial Realization Through Kac-Moody Currents

$SL(\infty,R)$ Symmetry of $W_\infty$ Gravity

$sl_q(2)$ Realizations for Kepler and Oscillator Potentials and q-Canonical Transformations

$SO(5)_{q}$ and Contraction

$Sp(8)$ invariant higher spin theory, twistors and geometric BRST formulation of unfolded field equations

$SQED_4$ and $QED_4$ on the null-plane