English

Weighted and vector-valued variational estimates for ergodic averages

Classical Analysis and ODEs 2018-03-13 v2 Dynamical Systems

Abstract

We prove weighted and vector-valued variational estimates for ergodic averages on Rd\mathbb{R}^d. The weighted square function estimate relating ergodic averages to the dyadic martingale is obtained using an r\ell^r version of a reverse H\"older inequality for variation seminorms.

Keywords

Cite

@article{arxiv.1409.7120,
  title  = {Weighted and vector-valued variational estimates for ergodic averages},
  author = {Ben Krause and Pavel Zorin-Kranich},
  journal= {arXiv preprint arXiv:1409.7120},
  year   = {2018}
}

Comments

v2: 12 pages, with a new short proof of the weighted bound for the square function

R2 v1 2026-06-22T06:05:15.503Z