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Bibliographic Details
Main Authors: Bellido, José Carlos, García-Sáez, Guillermo
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2503.04310
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author Bellido, José Carlos
García-Sáez, Guillermo
author_facet Bellido, José Carlos
García-Sáez, Guillermo
contents Bessel potential spaces, introduced in the 1960s, are derived through complex interpolation between Lebesgue and Sobolev spaces, making them intermediate spaces of fractional differentiability order. Bessel potential spaces have recently gained attention due to their identification with the Riesz fractional gradient. This paper explores Bessel potential spaces as complex interpolation spaces, providing original proofs of fundamental properties based on abstract interpolation theory. Main results include a direct proof of norm equivalence, continuous embeddings, and the relationship with Gagliardo spaces.
format Preprint
id arxiv_https___arxiv_org_abs_2503_04310
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Bessel Potential Spaces and Complex Interpolation: Continuous embeddings
Bellido, José Carlos
García-Sáez, Guillermo
Functional Analysis
Bessel potential spaces, introduced in the 1960s, are derived through complex interpolation between Lebesgue and Sobolev spaces, making them intermediate spaces of fractional differentiability order. Bessel potential spaces have recently gained attention due to their identification with the Riesz fractional gradient. This paper explores Bessel potential spaces as complex interpolation spaces, providing original proofs of fundamental properties based on abstract interpolation theory. Main results include a direct proof of norm equivalence, continuous embeddings, and the relationship with Gagliardo spaces.
title Bessel Potential Spaces and Complex Interpolation: Continuous embeddings
topic Functional Analysis
url https://arxiv.org/abs/2503.04310