English

A sub-Riemannian maximum modulus theorem

Analysis of PDEs 2023-05-31 v1 Differential Geometry

Abstract

In this note we prove a sub-Riemannian maximum modulus theorem in a Carnot group. Using a nontrivial counterexample, we also show that such result is best possible, in the sense that in its statement one cannot replace the right-invariant horizontal gradient with the left-invariant one.

Keywords

Cite

@article{arxiv.2305.19145,
  title  = {A sub-Riemannian maximum modulus theorem},
  author = {Federico Buseghin and Nicolò Forcillo and Nicola Garofalo},
  journal= {arXiv preprint arXiv:2305.19145},
  year   = {2023}
}
R2 v1 2026-06-28T10:50:49.640Z