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

Bibliografiset tiedot
Päätekijä: Castillo, Maritina T.
Aineistotyyppi: Opinnäyte
Kieli:English
Julkaistu: 1999.
Aiheet:
Spectral theory (Mathematics).
Differential operators.