English

Restriction and decoupling estimates for the hyperbolic paraboloid in $\mathbb{R}^3$

Classical Analysis and ODEs 2026-04-16 v2 Analysis of PDEs

Abstract

We prove bilinear 2\ell^2-decoupling and refined bilinear decoupling inequalities for the truncated hyperbolic paraboloid in R3\mathbb{R}^3. As an application, we prove the associated restriction estimate in the range p>22/7p>22/7, matching an earlier result for the elliptic paraboloid.

Cite

@article{arxiv.2505.09037,
  title  = {Restriction and decoupling estimates for the hyperbolic paraboloid in $\mathbb{R}^3$},
  author = {Ciprian Demeter and Shukun Wu},
  journal= {arXiv preprint arXiv:2505.09037},
  year   = {2026}
}

Comments

Referee's suggestions incorporated

R2 v1 2026-06-28T23:32:24.061Z