Preprint
Inserted: 22 mar 2023
Last Updated: 22 mar 2023
Year: 2023
Abstract:
We prove (sub)mean value formulas at the point $0\in\Sigma$ for (sub)harmo\-nic functions a on a hypersurface $\Sigma\subset\mathbb R^{n+1}$ where the differentiable structure and the surface measure depend on the ambient Grushin structure.