On essential self-adjointness for first order differential operators on domains in [R.sup.d]

We consider general symmetric systems of first order linear partial differential operators on domains [OMEGA] [subset] [R.sup.d], and we seek sufficient conditions on the coefficients which ensure essential self-adjointness. The coefficients of the first order terms are only required to belong to [C...

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Veröffentlicht in:	Journal of spectral theory 2020-12, Vol.10 (4), p.1253
Hauptverfasser:	Nenciu, Gheorghe, Nenciu, Irina
Format:	Artikel
Sprache:	eng
Schlagworte:	Differential equations, Partial Mathematical research Wave propagation
Online-Zugang:	Volltext
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