摘要
定量研究了一类高阶自共轭微分算子的谱,得到了这类算子的本质谱充满了正实轴,而在负半轴上只有离散谱.
The paper quantitatively analyzes the spectrum of a class of high order self conjugate differential operators. It is indicated that their essential spectrum covers the entire positive semi - axis λ ≥ 0 and there is only discrete spectrum in the negative semi - axis.
出处
《长沙大学学报》
2014年第2期11-14,共4页
Journal of Changsha University
基金
广东省高层次人才培养项目(批准号:9251064101000015)
关键词
微分表达式
对称微分算子
自共轭微分算子
离散谱
本质谱
谱分析
differential expression
symmetric differential operator
self conjugate differential operator
discrete spectrum
essential spectrum
spectral analysis
