四海为家的人
发表于 2025-3-23 12:12:03
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善于
发表于 2025-3-23 15:41:33
,Pre-Post-History of Tolman’s Cosmos,d is a projective space . .. The cosmologic singularity is a . . bounding the non-orientable space-time, which is a four-dimensional Möbius bubble enclosed in a solid ball of four-dimensional time. Complex extension of the manifold leads to a Mähler metric on . ., which is invariant under U4.
PATHY
发表于 2025-3-23 21:12:17
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确保
发表于 2025-3-23 23:17:18
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ALB
发表于 2025-3-24 05:37:50
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咆哮
发表于 2025-3-24 07:27:31
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敌意
发表于 2025-3-24 14:03:37
https://doi.org/10.1007/978-90-313-8585-0The 5-dimensional variant “Projective Unified Field Theory” leads to a constant gravitational coupling factor (gravitational constant) and a variable cosmological coupling factor (“cosmological constant”). This last fact could be interesting for quantum field theory in connection with the quantum fluctuations of the vacuum.
euphoria
发表于 2025-3-24 18:26:19
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遭受
发表于 2025-3-24 21:53:57
Effective Action Model for the Cosmological Constant Revisited,I give a revised version of an effective action model for the vanishing of the cosmological constant, incorporating the observation of Y. H. Gao that it is better to formulate the argument with a Mellin transform than with a Laplace transform.
乐意
发表于 2025-3-25 02:30:28
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