All Questions
3
questions
5
votes
2
answers
892
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Why are there only three independent rotations and three independent boosts?
In what sense, there are only three independent rotations (i.e., rotations $R_x, R_y$, and $R_z$ about $x$, $y$, and $z$ axes, respectively)? Is it because any infinitesimal rotation about an ...
0
votes
0
answers
54
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Lorentz transformation in extra-dimension
The Lorentz transformation is usually defined In 4D spacetime, how can we derive the generalized transformation in extra-dimensional space-times like 5D or more dimensions?
0
votes
1
answer
102
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Proper notation when working with three Euclidean spatial coordinates in a setting with a time parameter
The How does the Euclidean metric is the symmetry group of Euclidean space. It includes rotations and translations.
Say I consider an Euclidean space and a time parameter. How does the Euclidean ...