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A note on the area of event horizon of Kleinian black hole

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arxiv 2405.16689 v2 pith:KIZNCWRB submitted 2024-05-26 gr-qc

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keywords blackholeeventhorizonkleinianareaapplicablefact
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We point out that the area of event horizon of Kleinian black hole is infinite due to the fact that its event horizon is not a sphere but a hyperboloid. Therefore, the usual interpretations of Schwarzschild black hole might not be applicable to the Kleinian black hole.

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  1. Exploring the Kleinian horizons

    hep-th 2025-05 accept novelty 6.0 of 10

    Near the horizons of the self-dual Schwarzschild-Taub-NUT solution in Klein space, an infinite-dimensional symmetry algebra of supertranslations and superrotations is shown to exist, with integrable Noether charges.

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