10.1016/0022-247X(78)90155-5

Levinson's limit-point criterion and powers

Abstract

AbstractIt is shown here that Levinson's well-known criterion for the real differential expression My = −(py′)′ + qy to be in the limit-point case also implies that Mk is in the limit-point case for any k = 1, 2, 3,… and hence that any polynomial expression in M is in the limit-point case

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Last time updated on 6/5/2019

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