A characterization of Hajłasz–Sobolev and Triebel–Lizorkin spaces via grand Littlewood–Paley functions☆

By Pekka Koskela, Dachun Yang, Yuan Zhou. 2009

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Abstract In this paper, we establish the equivalence between the Hajlasz–Sobolev spaces or classical Triebel–Lizorkin spaces and a class of grand Triebel–Lizorkin spaces on Euclidean spaces and also on metric spaces that are both doubling and reverse doubling. In particular, when p ∈ ( n / ( n + 1 ) , ∞ ) , we give a new characterization of the Hajlasz–Sobolev spaces M ˙ 1 , p ( R n ) via a grand Littlewood–Paley function.

Subfields: Applied Mathematics

View Paper: https://www.semanticscholar.org/paper/9357f85a6149a1d162e2b5c49b96195f53f27c18

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In Applied Mathematics

  1. Dachun Yang
  2. Yuan Zhou
  3. Pekka Koskela
  4. Liguang Liu
  5. Diego Maldonado
  6. Loukas Grafakos
  7. Wen Yuan
  8. Amiran Gogatishvili

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