The Deficiency Index Problem for Powers of Ordinary Differential Expressions

ISBN-13: 9783540085232 / Angielski / Miękka / 1977 / 112 str.

Robert M. Kauffman; Thomas T. Read; Anton Zettl

Spis treści

Functional analytic preliminaries.- Linear differential operators and the general classification theory of deficiency indices.- Second order limit-point, limit-circle conditions.- Higher order limit-point criteria.- The deficiency index problem for polynomials in symmetric differential expressions.- Applications of perturbation theory.- Conditions on the coefficients for all powers to be limit-point.