Relatively bounded and compact perturbations of nth order differential operators
A perturbation theory for nth order differential operators is developed. For certain classes of operators L, necessary and sufficient conditions are obtained for a perturbing operator B to be relatively bounded or relatively compact with respect to L. These perturbation conditions involve explicit i...
Main Author: | Terry G. Anderson |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
1998-01-01
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Series: | International Journal of Mathematics and Mathematical Sciences |
Subjects: | |
Online Access: | http://dx.doi.org/10.1155/S0161171298000064 |
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