4 D Quantum N-Dilaton Gravity and One-Loop Divergence of Effective Action on Constant Dilaton

4 x 4 matrices in Dirac parametrization: inversion problem and determinant

4+1 dimensional homogeneous anisotropic string cosmological models

4-D Chiral N=1 Type I Vacua With And Without D5-Branes

4-D gauged supergravity analysis of Type IIB vacua on $K3\times T^2/Z_2$

4-D Quantum Dilaton Gravity During Inflation and Renormalization at One loop

4-dimensional BF Gravity on the Lattice

4-dimensional dilaton black holes with cosmological constant

4-point correlators in finite-temperature AdS/CFT: jet quenching correlations

4-point effective actions in open and closed superstring theory

4-string Junction and Its Network

4D and 2D Evaporating Dilatonic Black Holes

4D and 2D superconformal index with surface operator

4D Anomalous U(1)'s, their masses and their relation to 6D anomalies

4D black holes and holomorphic factorization of the 0A matrix model

4d Conformal Field Theories and Strings on Orbifolds

4D Doubleton Conformal Theories, CPT and IIB String on AdS_5 X S^5

4D Edge Currents from 5D Chern-Simons Theory

4D Effective Theory and Geometrical Approach

4D equivalence theorem and gauge symmetry on orbifold