We give a proof of the (possibly optimal) Sharp Gårding inequality for system oper- ators with symbol of limited smoothness directly from the original symmetrization arguments by Friedrichs and Kumano-Go. The fact that only a few derivatives of the regularized symbol are really important was already there.
massimo cicognani (2023). A direct proof of the Sharp Gårding inequality for symbols with limited smoothness. JOURNAL OF PSEUDO-DIFFERENTIAL OPERATORS AND APPLICATIONS, 14(1), 1-6 [10.1007/s11868-022-00498-z].
A direct proof of the Sharp Gårding inequality for symbols with limited smoothness
massimo cicognani
Primo
2023
Abstract
We give a proof of the (possibly optimal) Sharp Gårding inequality for system oper- ators with symbol of limited smoothness directly from the original symmetrization arguments by Friedrichs and Kumano-Go. The fact that only a few derivatives of the regularized symbol are really important was already there.File in questo prodotto:
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