Extensions of the Virasoro Algebra and Gauged WZW Models
Extensions of Virasoro group and Virasoro algebra by modules of tensor-densities on $S^1$
Extensions, expansions, Lie algebra cohomology and enlarged superspaces
Extensivity Versus Holography in Anti-de Sitter Spaces
Exterior Differential Systems for Einstein Vacuum and Kaluza Gravity Theories
Exterior Differentials in Superspace and Poisson Brackets
Exterior Differentials in Superspace and Poisson Brackets of Diverse Grassmann Parities
External Fields and the Dynamics of Fundamental Flavours in Holographic Duals of Large N Gauge Theories
External Fields as Intrinsic Geometry
External leg amputation in conformal invariant three-point function
Extra dimensions and self-organizing criticality
Extra dimensions as an alternative to Higgs mechanism?
Extra Dimensions in Superstring Theory
Extra Dimensions, Dilaton and Dark Energy
Extra dimensions, warped compactifications and cosmic acceleration
Extra Dimensions: Will their Spinors Play a Role in the Standard Model?
Extra Dirac Equations
Extra Force in Brane Worlds
Extra Gauge Symmetry for Extra Supersymmetry
Extra Observables in Gauged WZW Models