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Chapter and Conference Paper
A Note on Wave-front Sets of Roumieu Type Ultradistributions
We study wave-front sets in weighted Fourier–Lebesgue spaces and corresponding spaces of ultradistributions. We give a comparison of these sets with the well-known wave-front sets of Roumieu type ultradistribu...
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Chapter
Extended Gevrey Regularity via the Short-Time Fourier Transform
We study the regularity of smooth functions whose derivatives are dominated by sequences of the form M p τ , σ = p τ p σ \(M_p^{\tau ,\sigma }=p^{\tau p^{\sigma }}\) , τ > 0, σ ≥ 1. We ...