Towards modified bimetric theories within non-product spectral geometry

Published 8 Feb 2022 in math-ph, gr-qc, and math.MP | (2202.03765v1)

Abstract: We discuss class of doubled geometry models with diagonal metrics. Based on the analysis of known examples we formulate a hypothesis that supports treating them as modified bimetric gravity theories. Certain steps towards the generic case are then performed.

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Arkadiusz Bochniak

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