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Open AccessCosmological singularities, holographic complexity and entanglement
We study holographic volume complexity for various families of holographic cosmologies with Kasner-like singularities, in particular with AdS, hyperscaling violating and Lifshitz asymptotics. We find through e...
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Article
Open AccessNotes on time entanglement and pseudo-entropy
Following ar**v:2210.12963 [hep-th], we investigate aspects of the time evolution operator regarded as a density operator and associated entanglement-like structur...
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Article
Open AccessCosmologies, singularities and quantum extremal surfaces
Following [1], we study quantum extremal surfaces in various families of cosmologies with Big-Crunch singularities, by extremizing the generalized entropy in 2-dimensional backgrounds which can be thought of as a...
