LIMIT-POINT CRITERIA FOR SYMMETRIC AND J-SYMMETRIC QUASI-DIFFERENTIAL EXPRESSIONS OF EVEN ORDER WITH A POSITIVE DEFINITE LEADING COEFFICIENT

Published in: Quaestiones Mathematicae
Volume 11 , issue 2 , 1988 , pages: 119–179

DOI: 10.1080/16073606.1988.9631949

Author(s): Hilbert Frentzen Fachbereich 6—Mathematik,

Keywords: 34 B 25

A limit-point criterion is proved by the method of inequalities for differential expressions of the form

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