On existence of the resolvent and discreteness of the spectrum of a class of differential operators of hyperbolic type

Electronic Journal of Qualitative Theory of Differential Equations

Madi Muratbekov¹  Akbota Abylayeva²  Mussakan Muratbekov³ 

[1] K.Munaitpasov str. 5, Astana, Kazakhstan;L.N.Gumilyev Eurasian National University, Munaitpasov 5, Astana, Kazakhstan;Taraz State Pedagogical Institute, Tole bi 62, Taraz, Kazakhstan;

关键词: spectrum;    resolvent;    singular differential operator;    hyperbolic type;   

DOI  :  10.14232/ejqtde.2013.1.64

来源: DOAJ

【 摘 要 】

The existence and compactness of the resolvent are studied in this paper. One of the main results is the criterion of discreteness of the spectrum of a hyperbolic singular differential operator.

【 授权许可】

Unknown