Domains of analyticity for response solutions in strongly dissipative forced systems
Journal Article
·
· Journal of Mathematical Physics
- Dipartimento di Matematica, Università di Napoli “Federico II,” Napoli I-80126 (Italy)
- Dipartimento di Matematica, Università di Roma “La Sapienza,” Roma I-00185 (Italy)
- Dipartimento di Matematica, Università di Roma Tre, Roma I-00146 (Italy)
We study the ordinary differential equation εx{sup ¨}+x{sup .}+εg(x)=εf(ωt), where g and f are real-analytic functions, with f quasi-periodic in t with frequency vector ω. If c{sub 0}∈R is such that g(c{sub 0}) equals the average of f and g′(c{sub 0}) ≠ 0, under very mild assumptions on ω there exists a quasi-periodic solution close to c{sub 0} with frequency vector ω. We show that such a solution depends analytically on ε in a domain of the complex plane tangent more than quadratically to the imaginary axis at the origin.
- OSTI ID:
- 22251754
- Journal Information:
- Journal of Mathematical Physics, Vol. 54, Issue 12; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-2488
- Country of Publication:
- United States
- Language:
- English
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