Published Paper

Inserted: 22 mar 2023
Last Updated: 1 dec 2024

Journal: Annales Fennici Mathematici
Volume: 49
Number: 1
Pages: 241-255
Year: 2024
Doi: https://doi.org/10.54330/afm.144565

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.