Geodesic
Ubiquitous symmetries
Teoretičeskaâ i matematičeskaâ fizika, Tome 188 (2016) no. 3, pp. 459-469

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We review some of our recent work devoted to the problem of quantization with preservation of Noether symmetries, finding hidden linearity in superintegrable systems, and showing that nonlocal symmetries are in fact local. In particular, we derive the Schrödinger equation for the isochronous Calogero goldfish model using its relation to Darwin equation. We prove the linearity of a classical superintegrable system on a plane of nonconstant curvature. We find the Lie point symmetries that correspond to the nonlocal symmetries (also reinterpreted as $\lambda$-symmetries) of the Riccati chain.
Keywords: Lie symmetry, Noether symmetry, superintegrability, nonlocal symmetry.
Mots-clés : classical quantization 
@article{TMF_2016_188_3_a6,
     author = {M. C. Nucci},
     title = {Ubiquitous symmetries},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {459--469},
     publisher = {mathdoc},
     volume = {188},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2016_188_3_a6/}
}
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M. C. Nucci. Ubiquitous symmetries. Teoretičeskaâ i matematičeskaâ fizika, Tome 188 (2016) no. 3, pp. 459-469. http://geodesic.mathdoc.fr/item/TMF_2016_188_3_a6/