Some comparison results on equivalence groups
classification
🧮 math.DG
keywords
comparisondifferentialequationsequivalencegroupsparticularresultstype
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This paper deals with the comparison of two common types of equivalence groups of differential equations, and this gives rise to a number of results presented in the form of theorems. It is shown in particular that one type can be identified with a subgroup of the other type. Consequences of this comparison related in particular to the determination of invariant functions of the differential equations are also discussed.
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