A robust approach to sharp multiplier theorems for Grushin operators
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DOI: 10.1090/tran/7844
Abstract: We prove a multiplier theorem of Mihlin-Hormander type for operators of the form $-\Delta_x - V(x) \Delta_y$ on $\mathbb{R}^{d_1}_x \times \mathbb{R}^{d_2}_y$, where $V(x) = \sum_{j=1}^{d_1} V_j(x_j)$, the $V_j$ are perturbations of the power law $t… read more here.
Keywords: grushin operators; multiplier theorems; theorems grushin; robust approach ... See more keywords