4D construction of bulk supersymmetry breaking
4D Constructions of Supersymmetric Extra Dimensions and Gaugino Mediation
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
4d Gauge Theory and Gravity Generated from 3d Ones at High Energy
4D gravity localized in non Z_2-symmetric thick branes
4D gravity on a BPS brane in 5D AdS-Minkowski space
4D gravity on a brane from bulk higher-curvature terms
4D Gravity on a Brane in 5D Minkowski Space
4D gravity on a non-BPS bent dilatonic brane
4D GUT (and SM) Model Building from Intersecting D-Branes
4d Index to 3d Index and 2d TQFT
4D Localization in Randall-Sundrum 2 Supergravity and in Vasiliev Theories
4D Models of Scherk-Schwarz GUT Breaking via Deconstruction
4D N = 2 Supergravity and Projective Superspace
4D Quantum Affine Algebras and Space--Time q-Symmetries
4D Quantum Gravity Coupled to Matter
4d Simplicial Quantum Gravity Interacting with Gauge Matter Fields