On the best Ulam constant of a higher order linear difference equation

نویسندگان

چکیده

In a Banach space X the linear difference equation with constant coefficients x n + p = 1 ? … , is Ulam stable if and only roots r k ? of its characteristic do not belong to unit circle. If | > we prove that best this V ? s ? 2 ( ) where are Vandermonde determinants.

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ژورنال

عنوان ژورنال: Bulletin Des Sciences Mathematiques

سال: 2021

ISSN: ['0007-4497', '1952-4773']

DOI: https://doi.org/10.1016/j.bulsci.2020.102928