Abstract
This paper summarizes recent results on the number and characterization of differential invariants of transformation groups. Generalizations of theorems due to Ovsiannikov and to M. Green are presented, as well as a new approach to finding bounds on the number of independent differential invariants.
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Supported in part by NSF Grants DMS 91-16672 and DMS 92-04192.
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Olver, P.J. Differential invariants. Acta Appl Math 41, 271–284 (1995). https://doi.org/10.1007/BF00996116
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DOI: https://doi.org/10.1007/BF00996116