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yess
  • Member for 8 years, 4 months
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13 votes
2 answers
971 views

Does geodesic incompleteness in Penrose-Hawking theorems imply curvature blow up?

10 votes
2 answers
455 views

Why aren't we surrounded by Black holes?

10 votes
1 answer
578 views

What are the implications for the AdS/Cft program if AdS is unstable?

9 votes
1 answer
452 views

Why are the quantum observables defined on opens sets a presheaf and not a sheaf?

8 votes
0 answers
235 views

Is there a null incomplete spacetime which is spacelike and timelike complete?

7 votes
3 answers
2k views

Do gravitational waves cause time dilatation?

6 votes
1 answer
859 views

Paths in the path integral

6 votes
0 answers
227 views

Is it possible to have fermions in Schwarzschild spacetime?

6 votes
2 answers
345 views

What would the sky look like if the Sun was a black hole?

5 votes
0 answers
127 views

What do we know about the semi-classical equation $G_{ab}=\langle T_{ab}\rangle_{\omega}$?

4 votes
1 answer
560 views

What are the equations of motion for the scalar field in the tetrad formalism?

2 votes
0 answers
296 views

Are all spacetimes locally conformally flat?

2 votes
1 answer
356 views

Why do quasi-free states satisfy the positivity condition?

2 votes
3 answers
1k views

What happens with a tunneling particle when its momentum is imaginary in QM?

2 votes
0 answers
207 views

What is the Levi--Civita connection of a Wick rotated metric?

1 vote
1 answer
129 views

What is the required differentiability of the solutions to do QFT?

1 vote
0 answers
158 views

Does Cauchy horizons in AdS have dual picture in the dual Cft?