Perturbations of a Class of Ordinary Differential Expressions Preserving the Essential Spectrum and the Nullities
Abstract
ExcerptPerturbation is used to enlargen a class of differential expressions for which the essential spectrum and the nullities can be classified.
Published
2007-09-17
How to Cite
MUMPAR-VICTORIA, Marie Redina.
Perturbations of a Class of Ordinary Differential Expressions Preserving the Essential Spectrum and the Nullities.
Science Diliman: A Journal of Pure and Applied Sciences, [S.l.], v. 11, n. 1, sep. 2007.
ISSN 2012-0818.
Available at: <https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/247>. Date accessed: 01 sep. 2025.
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