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

書誌詳細
第一著者: Castillo, Maritina T.
フォーマット: 学位論文
言語:English
出版事項: 1999.
主題:
Spectral theory (Mathematics).
Differential operators.