Perturbations of a Class of Ordinary Differential Expressions Preserving the Essential Spectrum and the Nullities
Perturbation is used to enlargen a class of differential expressions for which the essential spectrum and the nullities can be classified.
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| Format: | Article |
| Language: | English |
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University of the Philippines
1999-06-01
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| Series: | Science Diliman |
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| Online Access: | http://journals.upd.edu.ph/index.php/sciencediliman/article/view/247 |