A $p$-specific spectral multiplier theorem with sharp regularity bound for Grushin operators

Lars Niedorf

In a recent work, P. Chen and E. M. Ouhabaz proved a $p$-specific $L^p$-spectral multiplier theorem for the Grushin operator acting on ${\mathbb{R}}^{d_1}\times {\mathbb{R}}^{d_2}$ whic…