On the nonexistence of purely Stepanov almost-periodic solutions of ordinary differential equations
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- by Jan Andres and Denis Pennequin PDF
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Abstract:
It is shown that in uniformly convex Banach spaces, Stepanov almost-periodic functions with Stepanov almost-periodic derivatives are uniformly almost-periodic in the sense of Bohr. This in natural situations yields, jointly with the derived properties of the associated Nemytskii operators, the nonexistence of purely (i.e. nonuniformly continuous) Stepanov almost-periodic solutions of ordinary differential equations. In particular, the existence problem of such solutions, considered in a series of five papers of Z. Hu and A. B. Mingarelli, is answered in a negative way.References
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Additional Information
- Jan Andres
- Affiliation: Department of Mathematical Analysis, Faculty of Science, Palacký University, Tř. 17 listopadu 12, 771 46 Olomouc, Czech Republic
- MR Author ID: 222871
- Email: andres@inf.upol.cz
- Denis Pennequin
- Affiliation: Université Paris I Panthéon-Sorbonne, Centre PMF, Laboratoire SAMM, 90, Rue de Tolbiac, 75 634 Paris Cedex 13, France
- Email: pennequi@univ-paris1.fr
- Received by editor(s): July 1, 2010
- Received by editor(s) in revised form: March 21, 2011
- Published electronically: January 5, 2012
- Additional Notes: The first author was supported by the Council of Czech Government (MSM 6198959214)
The second author was supported by ANR ANAR - Communicated by: Yingfei Yi
- © Copyright 2012
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication. - Journal: Proc. Amer. Math. Soc. 140 (2012), 2825-2834
- MSC (2010): Primary 34C27; Secondary 34C15, 34G20
- DOI: https://doi.org/10.1090/S0002-9939-2012-11154-2
- MathSciNet review: 2910769