In physics, a covariance group is a group of coordinate transformations between frames of reference. A frame of reference provides a set of coordinates for an observer moving with that frame to make measurements and define physical quantities.
In physics, a covariance group is a group of coordinate transformations between frames of reference. A frame of reference provides a set of coordinates for an observer moving with that frame to make measurements and define physical quantities.
Source: Wikipedia "Covariance group" · CC BY-SA 4.0
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