id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-184	Bao, Qinglan; Wei, Guangsheng; Zettl, Anton	Friedrichs extension of singular symmetric differential operators	2023	29	.pdf	application/pdf	11944	840	82	C−1 = −C = C∗, (1.1) and let Z2n(I) := {(qr,s)2nr,s=1 ∈M2n(L1 loc(I)), qr,r+1 6= 0 We have Ĝ = ( 0 G1 −G∗1 0 ) , G1 = ( Ĉda−n 0 0 −Ĉdb−n ) .	cache/ejde-184.pdf	txt/ejde-184.txt