On the existence of the essential spectrum for a class of differential expressions having normal maximal extensions

On the existence of the essential spectrum for a class of differential expressions having normal maximal extensions

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Castillo, Maritina T.
Formáid: Tráchtas
Teanga:English
Foilsithe / Cruthaithe: 1999.
Ábhair:
Spectral theory (Mathematics).
Differential operators.