Characterization of symmetric operators and their Friedrichs extension for singular Sturm-Liouville problems
Characterization of symmetric operators and their Friedrichs extension for singular Sturm-Liouville problems
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DOI：
10.1016/j.jmaa.2022.126122
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发表时间：
2022-02
影响因子：
1.3
通讯作者：
Qinglan Bao;Guangsheng Wei;A. Zettl
中科院分区：
文献类型：
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作者：
Qinglan Bao;Guangsheng Wei;A. Zettl
我们发现，明确地，边界条件，确定对称扩展的最小运营商。对于每一个有界的这些运营商，我们找到一个边界条件，确定其弗里德里希扩展。
We find, explicitly, the boundary conditions which determine the symmetric extensions of the minimal operator. For each of these operators which is bounded below we find a boundary condition which determines its Friedrichs extension.