Abstract
We present recent results on elliptic boundary value problems where the theory of Hardy spaces associated with operators plays a key role.
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Notes
As usual, the notation \({\text {C}}_0([0,\infty ))\) means continuity and limit 0 at infinity.
The constant is chosen via Hardy–Sobolev embeddings such that \(f\in {\text {L}}^{p^*}\).
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In the honor of Guido Weiss’ ninetieth birthday.
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The authors were supported by the ANR project RAGE ANR-18-CE40-0012. This material is based upon work that got started under NSF Grant DMS-1440140 while Auscher was in residence at the MSRI in Berkeley, California, during the Spring 2017 semester. Egert also thanks this institute for hospitality.
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Auscher, P., Egert, M. Hardy Spaces for Boundary Value Problems of Elliptic Systems with Block Structure. J Geom Anal 31, 9182–9198 (2021). https://doi.org/10.1007/s12220-021-00608-1
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DOI: https://doi.org/10.1007/s12220-021-00608-1
Keywords
- Hardy spaces
- BMO
- Second-order divergence-form operator
- Boundary value problems
- Well-posedness
- Poisson semigroup
- Functional calculus
- Riesz transform