Abstract
We prove the existence of a linear homogeneous almost periodic system of differential equations that has nontrivial bounded solutions and is such that all systems from a certain neighborhood of it have no nontrivial almost periodic solutions.
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 50, No. 3, pp. 409–413, March, 1998.
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Tkachenko, V.I. On linear homogeneous almost periodic systems that satisfy the Favard condition. Ukr Math J 50, 464–469 (1998). https://doi.org/10.1007/BF02528810
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DOI: https://doi.org/10.1007/BF02528810