Operators and Matrices · Volume 16, Issue 1

The Friedrichs extension of regular symmetric differential operators

16-18 Pages 213-237 DOI 10.7153/oam-2022-16-18

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Authors

Qinglan Bao Guangsheng Wei Anton Zettl

Keywords

Friedrichs extension symmetric differential expressions boundary matrix

Subject classes

34B24 34L15 34B08 34L05