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Universal Calabi-Yau Algebra: Classification and Enumeration of Fibrations
F. Anselmo, J. Ellis, D. V. Nanopoulos +1
We apply a universal normal Calabi-Yau algebra to the construction and classification of compact complex -dimensional spaces with SU(n) holonomy and their fibrations. This algeb…
Updating the constraints to CMSSM from cosmology and accelerator experiments
A. B. Lahanas, D. V. Nanopoulos, V. C. Spanos
The recent data from E821 Brookhaven experiment in conjunction with a new determination of the hadronic vacuum polarization contribution to the anomalous magnetic moment of muon, p…
F-enomenology
Dimitri V. Nanopoulos
The advantages of Flipped SU(5) over conventional Supersymmetric GUTs, like SU(5), are discussed. Recent values of the strong coupling at M_Z, sin-squared theta-Weinberg, g-2 of th…
Quantum-Gravity Analysis of Gamma-Ray Bursts using Wavelets
J. Ellis, N. E. Mavromatos, D. V. Nanopoulos +1
In some models of quantum gravity, space-time is thought to have a foamy structure with non-trivial optical properties. We probe the possibility that photons propagating in vacuum…
Impact of Low-Energy Constraints on Lorentz Violation
J. Ellis, E. Gravanis, N. E. Mavromatos +1
We extend previous analyses of the violation of Lorentz invariance induced in a non-critical string model of quantum space-time foam, discussing the propagation of low-energy parti…
Universal Calabi-Yau Algebra: Towards an Unification of Complex Geometry
F. Anselmo, J. Ellis, D. V. Nanopoulos +1
We present a universal normal algebra suitable for constructing and classifying Calabi-Yau spaces in arbitrary dimensions. This algebraic approach includes natural extensions of re…
Intersecting Branes Flip SU(5)
John Ellis, P. Kanti, D. V. Nanopoulos
Within a toroidal orbifold framework, we exhibit intersecting brane-world constructions of flipped SU(5) \times U(1) GUT models with various numbers of generations, other chiral ma…
Flipping SU(5) out of Trouble
John Ellis, D. V. Nanopoulos, J. Walker
Minimal supersymmetric SU(5) GUTs are being squeezed by the recent values of alpha_s, sin^2 theta_W, the lower limit on the lifetime for p to nubar K decay, and other experimental…
Supersymmetric Dark Matter and Recent Experimental Constraints
A. B. Lahanas, D. V. Nanopoulos, V. C. Spanos
In this talk we discuss the impact of recent experimental information, like the revised bound from E821 Brookhaven experiment on and light Higgs boson mass bound from LEP,…