1. What are the contributions in "Continuous and symmetrical transformations in the framework of classical particle systems" ?
In this paper, it was shown that symmetry in time leads to conservation of energy, symmetry in space and symmetry in spacial orientation leads to the conservation of angular momentum.
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![Fig. 2. An axial vector and its image [2, chap. 52, “Symmetry in Physical Laws”]](/figures/fig-2-an-axial-vector-and-its-image-2-chap-52-symmetry-in-e4omj780.png)
![Fig. 1. A polar vector and its image [2, chap. 52, “Symmetry in Physical Laws”]](/figures/fig-1-a-polar-vector-and-its-image-2-chap-52-symmetry-in-3fszv3jj.png)