Data di Pubblicazione:
2003
Citazione:
Almost periodic upper and lower solutions / R. Ortega, M.E. Tarallo. - In: JOURNAL OF DIFFERENTIAL EQUATIONS. - ISSN 0022-0396. - 193:2(2003), pp. 343-358.
Abstract:
The method of upper and lower solutions is a classical tool in the theory of periodic differential equations of the second order. We show that this method does not have a direct extension to almost periodic equations. To do this we construct equations of this type without almost periodic solutions but having two constants as ordered upper and lower solutions.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
R. Ortega, M.E. Tarallo
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