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gr-qc2025
Six-dimensional cosmological models with conformal extensions
Daniel Muller, Sergey G. Rubin, Ilya L. Shapiro +1
We consider the background cosmological solutions in the (six-dimensional) model with one time and five space coordinates. The theory of our interest has the action composed b…
gr-qc2024★ 8 cited
Bound states of massive complex ghosts in superrenormalizable quantum gravity theories\
Manuel Asorey, Gastao Krein, Miguel Pardina +1
One of the remarkable differences between renormalizable quantum gravity with four-derivative action and its superrenormalizable polynomial generalizations is that the latter admit…