Abstract
We establish several results on gluing/embedding/extending geometric structures in vacuum spacetimes with a cosmological constant in any spacetime dimensions d ⩾ 4 , with emphasis on characteristic data. A useful tool is provided by the notion of submanifold-data of order k. As an application of our methods we prove that vacuum Cauchy data on a spacelike Cauchy surface with boundary can always be extended to vacuum data defined beyond the boundary.
| Original language | English |
|---|---|
| Article number | 165009 |
| Number of pages | 36 |
| Journal | Classical and Quantum Gravity |
| Volume | 40 |
| Issue number | 16 |
| DOIs | |
| Publication status | Published - 31 Aug 2023 |
Austrian Fields of Science 2012
- 103028 Theory of relativity
- 103019 Mathematical physics
Keywords
- characteristic cauchy problem
- mathematical relativity
- relativity
- spacetime gluing
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