Besov and Triebel-Lizorkin spaces on homogeneous groups
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913651984695296 |
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| author | Hu, Guorong Rottensteiner, David Ruzhansky, Michael van Velthoven, Jordy Timo |
| author_facet | Hu, Guorong Rottensteiner, David Ruzhansky, Michael van Velthoven, Jordy Timo |
| contents | This paper develops a theory of Besov spaces $\dot{\mathbf{B}}^σ_{p,q} (N)$ and Triebel-Lizorkin spaces $\dot{\mathbf{F}}^σ_{p,q} (N)$ on an arbitrary homogeneous group $N$ for the full range of parameters $p, q \in (0, \infty]$ and $σ\in \mathbb{R}$. Among others, it is shown that these spaces are independent of the choice of the Littlewood-Paley decomposition and that they admit characterizations in terms of continuous maximal functions and molecular frame decompositions. The defined spaces include as special cases various classical function spaces, such as Hardy spaces on homogeneous groups and homogeneous Sobolev spaces and Lipschitz spaces associated to sub-Laplacians on stratified groups. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_08997 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Besov and Triebel-Lizorkin spaces on homogeneous groups Hu, Guorong Rottensteiner, David Ruzhansky, Michael van Velthoven, Jordy Timo Functional Analysis Classical Analysis and ODEs This paper develops a theory of Besov spaces $\dot{\mathbf{B}}^σ_{p,q} (N)$ and Triebel-Lizorkin spaces $\dot{\mathbf{F}}^σ_{p,q} (N)$ on an arbitrary homogeneous group $N$ for the full range of parameters $p, q \in (0, \infty]$ and $σ\in \mathbb{R}$. Among others, it is shown that these spaces are independent of the choice of the Littlewood-Paley decomposition and that they admit characterizations in terms of continuous maximal functions and molecular frame decompositions. The defined spaces include as special cases various classical function spaces, such as Hardy spaces on homogeneous groups and homogeneous Sobolev spaces and Lipschitz spaces associated to sub-Laplacians on stratified groups. |
| title | Besov and Triebel-Lizorkin spaces on homogeneous groups |
| topic | Functional Analysis Classical Analysis and ODEs |
| url | https://arxiv.org/abs/2501.08997 |