English

$L^2$-stability for the variance Brascamp-Lieb inequality

Functional Analysis 2026-02-17 v1 Probability

Abstract

We prove an L2L^2-stability estimate for the variance Brascamp-Lieb inequality [J. Funct. Anal. 22 (4), 366-389 (1976)] by bootstrapping the recent L1L^1-stability theorem of Machado and Ramos [arXiv:2511.22636] under an additional assumption, which we call the super-Brascamp-Lieb inequality, of independent interest.

Cite

@article{arxiv.2602.13679,
  title  = {$L^2$-stability for the variance Brascamp-Lieb inequality},
  author = {Károly J. Böröczky and Yaozhong W. Qiu and Cyril Roberto},
  journal= {arXiv preprint arXiv:2602.13679},
  year   = {2026}
}

Comments

16 pages, first submission

R2 v1 2026-07-01T10:36:41.165Z