2 papers
math.CA2026
From generalized Poincaré to Poincaré-Sobolev inequalities via self-improving methods
Alejandro Claros, Carlos Pérez, Linfei Zheng
We establish several improvements to the main results of [PR19] and [CP21], refining the seminal self-improving method for generalized Poincaré inequalities from [FPW98, MP98]. The…
math.CA2024
New Sparse Domination and Weighted Estimates for Fractional Operators Beyond Calderón-Zygmund Theory
The Anh Bui, Linfei Zheng
Let be a closed, densely defined operator on satisfying suitable off-diagonal estimates of order . This paper aims to investigate the two-we…