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- Title
Multiplicity of forced oscillations for scalar retarded functional differential equations.
- Authors
Calamai, Alessandro; Pera, Maria Patrizia; Spadini, Marco
- Abstract
We find multiplicity results for forced oscillations of a periodically perturbed autonomous second‐order equation, the perturbing term possibly depending on the whole history of the system. The techniques that we use are topological in nature, but the technical details are hidden in the proofs and completely transparent to the reader only interested in the results.
- Subjects
OSCILLATION theory of functional differential equations; PERTURBATION theory; MANIFOLDS (Mathematics); VECTOR fields; MATHEMATICAL proofs
- Publication
Mathematical Methods in the Applied Sciences, 2018, Vol 41, Issue 5, p1944
- ISSN
0170-4214
- Publication type
Article
- DOI
10.1002/mma.4720