Physics
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Ryan Unger
  • Member for 7 years, 9 months
  • Last seen more than a week ago
  • Princeton, NJ, USA
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About

Math PhD student. Interested in geometric analysis and mathematical general relativity.

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All Questions Answers
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answer
57
Books for general relativity
Apr 4, 2016
question
26
Do light waves precisely follow null geodesic paths in General Relativity?
Dec 18, 2015
question
19
How long can a particle survive inside of the horizon of a black hole?
Jul 16, 2015
answer
17
Adding a total time derivative term to the Lagrangian
Apr 4, 2015
answer
17
A helpful proof in contracting the Christoffel symbol?
Feb 3, 2017
answer
16
How could a cord withstand a force greater than its breaking strength?
Feb 15, 2015
answer
15
Metric inside a sphere of uniform density?
Apr 8, 2015
answer
14
Geodesic equation from Euler - Lagrange
Mar 31, 2015
answer
14
Why do the Einstein field equations (EFE) involve the Ricci curvature tensor instead of Riemann curvature tensor?
Jan 28, 2015
answer
11
Is it always possible to have a (local) time coordinate in GR?
Jan 7, 2017
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Why did I get chat suspended for a year?
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Mathematica stuck in "running" for every calculation I attempt, kernel error
24
Proving Cartan's magic formula using homotopy
21
Why are geodesically convex sets diffeomorphic to $\Bbb R^n$?
16
Why are geodesically convex sets diffeomorphic to $\Bbb R^n$?
15
Can a set of Hausdorff codimension 2 disconnect a connected open set?

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