Universe Without Singularities. A Group Approach to De Sitter Cosmology

Details Universe Without Singularities. A Group Approach to De Sitter Cosmology Universe Without Singularities. A Group Approach to De Sitter Cosmology

2007-04-04

arxiv.org/abs/0704.0563v1

Electron.J.Theor.Phys.3:211-224,2006

Physics

General Physics

13 pages

Scientific paper

In the last years the traditional scenario of Big Bang has been deeply modified by the study of the quantum features of the Universe evolution, proposing again the problem of using local physical laws on cosmic scale, with particular regard to the cosmological constant role. The group extention method shows that the De Sitter group univocally generalizes the Poincare group, formally justifies the cosmological constant use and suggests a new interpretation for Hartle-Hawking boundary conditions in Quantum Cosmology.

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