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On the separation property of symmetric ordinary fourth-order differential expressions

Published online by Cambridge University Press:  14 November 2011

Jyoti Das
Affiliation:
Department of Pure Mathematics, Calcutta University, Calcutta 19, India
Jayasri Sett
Affiliation:
Department of Mathematics, Jogamaya Devi College, Calcutta, India

Synopsis

Conditions are given on the coefficients p, q and r of the fourth-order, symmetric differentia expression

where yL2(0, ∞) and L[y] ∈ L2(0, ∞), such that some or all of the individual terms in L[y] are also in L2(0, ∞).

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1980

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References

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