I think I need this group ( if it exists) to help solve a physics problem.(adsbygoogle = window.adsbygoogle || []).push({});

Not being a mathematician, what I'd really like is a matrix representation

and a rule for getting the covariant derivative in the event of a broken symmetry.

I'd be much obliged if any one can give me any information.

M.

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# Group of translations by a fixed distance

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