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Best constants for Hardy inequalities in Triebel--Lizorkin spaces

Analysis of PDEs 2025-12-23 v1 Functional Analysis

Abstract

We find sharp constants in fractional Hardy inequalities for weighted Triebel--Lizorkin seminorms on the whole space and half-spaces. Our results generalize recently obtained weighted fractional Hardy inequalities for Gagliardo seminorms, but are new even for the unweighted case.

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Cite

@article{arxiv.2512.18688,
  title  = {Best constants for Hardy inequalities in Triebel--Lizorkin spaces},
  author = {Michał Kijaczko},
  journal= {arXiv preprint arXiv:2512.18688},
  year   = {2025}
}

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16 pages