Parenti, Parmeggiani: Some remarks on almost-positivity of $\psi\text{do}$'s

Parenti, Cesare and Parmeggiani, Alberto:
Some remarks on almost-positivity of $\psi\text{do}$'s
Bollettino dell'Unione Matematica Italiana Serie 8 1-B (1998), fasc. n.1, p. 187-215, Unione Matematica Italiana (English)
pdf (330 Kb), djvu (365 Kb). | MR1618980 | Zbl 0908.35146

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Per una classe di operatori pseudodifferenziali a caratteristiche multiple vengono date condizioni necessarie e sufficienti per la validità di stime dal basso «ottimali»

Referenze Bibliografiche

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Referenze Bibliografiche