Unitary representations of the infinite-parameter group Diff(R³) are presented which describe particles with spin as well as tightly bound composite particles. These results support the idea that Diff(R³) can serve as a "universal group" for quantum theory.
No takes yet. Share an insight, caveat, or question.
Goldin et al. (1983) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: