Why is it true that a differential operator $S$ on $\mathbb{R}^n$ commuting with translations and rotations must be of the form
$$S = \sum a_j \Delta^j $$
where the $a_j$ are constant coefficients ?
2026-03-25 01:24:47.1774401887
Differential operator commuting with Euclidean transformations
106 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in DIFFERENTIAL-OPERATORS
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