English

Restriction type estimates on general two-step stratified Lie groups

Analysis of PDEs 2025-02-11 v4 Functional Analysis

Abstract

We prove restriction type estimates for sub-Laplacians on general two-step stratified Lie groups. The core of our approach is to use spectral cluster estimates to effectively control the eigenvalue distribution of a family of anisotropic twisted Laplacians.

Cite

@article{arxiv.2304.12960,
  title  = {Restriction type estimates on general two-step stratified Lie groups},
  author = {Lars Niedorf},
  journal= {arXiv preprint arXiv:2304.12960},
  year   = {2025}
}

Comments

This revised submission represents Part 1 of the paper previously submitted as arXiv:2304.12960. The original submission has been split into two separate papers to provide a clearer presentation of the results. Part 2 has been submitted separately. Added a funding acknowledgment in the latest version

R2 v1 2026-06-28T10:17:28.520Z