Titlebook: ;

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,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.

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ALB

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敌意

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.

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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.

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