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Top Questions
13
votes
Must every isometry have an associated Killing vector?
general-relativity
differential-geometry
symmetry
vector-fields
asked Feb 6, 2014 at 20:12
physics.stackexchange.com
9
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How do manifolds have enough structure to do calculus?
differential-geometry
manifolds
asked Oct 17, 2013 at 20:16
math.stackexchange.com
Top Answers
9
Do photons have mass?
physics.stackexchange.com
8
According to relativity, can a statement be true and false in same time?
physics.stackexchange.com
5
Why we don't see time dilation in stars orbiting black hole?
physics.stackexchange.com
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