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gr-qc2014
Generalized GHY term for f(R) Gravity
Ahmed Alhamzawi, Rahim Alhamzawi
A generalization to the Gibbons-Hawking-York boundary term for metric gravity theories is introduced. A redefinition of the Gibbons-Hawking-York term is proposed. The propos…
gr-qc2014
Extensions of GR using Projective-Invariance
Ahmed Alhamzawi, Rahim Alhamzawi
We show that the unification of electromagnetism and gravity into a single geometrical entity can be beautifully accomplished in a theory with non-symmetric affine connection ($Γ_{…