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Sugimoto–Ruzhansky invariant smoothing estimate for non-dispersive equations
Let $L=\partial_t+ia(t,D_x)$ be an operator, where $a(t,D_x)$ is the spatial pseudodifferential operator appearing in the evolution, and let $s$ and $C$ be as in the estimate. The…
Conjectureopennon-dispersive-equations partial-differential-equations smoothing-estimatesarXiv posted 2 days ago

Sugimoto–Ruzhansky invariant smoothing estimate for non-dispersive equations