Publications

• Mohsen Alishahiha and Ori J. Ganor, Twisted Backgrounds, PP-Waves and Nonlocal Field Theories, hep-th/0301080.
• J.deBoer, M.B.Halpern and C.Helfgott, Twisted Einstein Tensors and Orbifold Geometry, hep-th/0212275
• Korkut Bardakci and Charles B. Thorn, An Improved Mean Field Approximation on the Worldsheet for Planar phi^3 Theory, hep-th/0212254
• Edward Boyda, Surya Ganguli, Petr Horava and Uday Varadarajan, Holographic Protection of Chronology in Universes of the Godel Type, hep-th/0212087.
• Veronika E. Hubeny and Mukund Rangamani, Generating asymptotically plane wave spacetimes, JHEP 0301 (2003) 031, [hep-th/0211206].
• Veronika E. Hubeny and Mukund Rangamani, Causal structures of pp-waves, JHEP 0212 (2002) 043, [hep-th/0211195].
• Veronika E. Hubeny and Mukund Rangamani, No horizons in pp-waves, JHEP 0211 (2002) 021, [hep-th/0210234].
• , , JHEP 0212 (2002) 019, [hep-th/0211003].
• O.Ganor, M.B.Halpern, C.Helfgott and N.A.Obers, The Outer-Automorphic WZW Orbifolds on so(2n), including Five Triality Orbifolds on so(8), JHEP 0212 (2002) 019, [hep-th/0211003].
• Ori J. Ganor and Uday Varadarajan, Nonlocal Effects on D-branes in Plane-Wave Backgrounds, JHEP 0211 (2002) 051, [hep-th/0210035].
• M.B.Halpern, On the Large N Limit of Conformal Field Theory, hep-th/0208150
• M.B. Halpern and C. Helfgott, Extended Operator Algebra and Reducibility in the WZW Permutation Orbifolds, hep-th/0208087
• Korkut Bardakci and Charles B. Thorn, hep-th/0206205
• M.B.Halpern and F. Wagner, The General Coset Orbifold Action, Int.J.Mod.Phys. A18 (2003) 19-56, [hep-th/0205143]
• M.B. Halpern and N.A. Obers, Two Large Examples in Orbifold Theory: Abelian Orbifolds and the Charge Conjugation Orbifold on su(n), Int.J.Mod.Phys. A17 (2002) 3897-3962, [hep-th/0203056]
• O. J. Ganor and J. Sonnenschein, On the Strong Coupling Dynamics of heterotic string theory on C3/Z3, JHEP 0205 (2002) 018, [hep-th/0202206].