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On the ghost problem of conformal gravity
Published 2023-08-01“…We confirm the presence of ghosts in both cases. In the de Sitter case, by applying the Maldacena boundary conditions — the Neumann boundary condition and the positive-frequency mode condition — to the metric, we show that one cannot recover a general solution for the perturbations. …”
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Ion and electron ghost imaging
Published 2020-11-01“…In this paper, we report a demonstration of ion and electron ghost imaging. Two beams of correlated ions and electrons are produced by a photoionization process and accelerated into opposite directions. …”
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A Ghost at $\omega_1$
Published 2018-07-01“…The method, adapted from a construction of Forti and Honsell, also gives ghosts at larger ordinals in the final chain of other subfunctors of the powerset functor. …”
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Dermot Bolger’s Ghosting the War
Published 2017-10-01“…Focusing on the life and afterlife of Ledwidge who, as depicted in Bolger’s play, emblematizes the condition of other Great War combatants doomed to oblivion, this essay, concerned with the various functions of the deployment of ghosts in Bolger’s drama, argues that spectrality can become an effective means of revealing the plight of the war dead: the unremembered, whose names were effectively erased from public memory and who, thus turned into homeless revenants, were forced into a continual involvement in the war from which they cannot escape, even after death. …”
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Ghost Companies, Fiction or Reality?
Published 2018-01-01Subjects: “…ghost company…”
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In silico-labeled ghost cytometry
Published 2021-12-01“…Here, we introduce a high-throughput stain-free flow cytometry called in silico-labeled ghost cytometry which characterizes and sorts cells using machine-predicted labels. …”
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Ghost Imaging without Discord
Published 2014“…Ragy and Adesso argue that quantum discord is involved in the formation of a pseudothermal ghost image. We show that quantum discord plays no role in spatial light modulator ghost imaging, i.e., ghost-image formation based on structured illumination realized with laser light that has undergone spatial light modulation by the output from a pseudorandom number generator. …”
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Joseph Campbell’s Oriental mythology in Ghost in the Shell (1995) and Occidental mythology in Ghost in the Shell (2017)
Published 2023-12-01“…That is precisely the topic of discussion between the anime Ghost in the Shell (1995) and its live action film adaptation Ghost in the Shell (2017). …”
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