Abstract
The theory of a free particle is largely determined by its group of symmetries, the group of symmetries of three-dimensional space, a group which includes a subgroup \(\mathbf R^3\) of spatial translations, and a subgroup SO(3) of rotations.
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© 2017 Peter Woit
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Woit, P. (2017). Semi-direct Products. In: Quantum Theory, Groups and Representations. Springer, Cham. https://doi.org/10.1007/978-3-319-64612-1_18
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DOI: https://doi.org/10.1007/978-3-319-64612-1_18
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