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math.CA2026
Bochner-Riesz means on the Heisenberg group
Detlef Müller, Lars Niedorf, Andreas Seeger +1
We prove new boundedness results for Bochner-Riesz means associated with the spectral decomposition of the sub-Laplacian on the Heisenberg group . Our results ho…
math.CA2024
Multi-scale sparse domination
David Beltran, Joris Roos, Andreas Seeger
We prove a bilinear form sparse domination theorem that applies to many multi-scale operators beyond Calderón-Zygmund theory, and also establish necessary conditions. Among the ap…
math.CA2024
Endpoint sparse domination for classes of multiplier transformations
David Beltran, Joris Roos, Andreas Seeger
We prove endpoint results for sparse domination of translation invariant multiscale operators. The results are formulated in terms of dilation invariant classes of Fourier multipli…