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20172021
most citedThe Ambrosetti-Prodi periodic problem: Different routes to complex dynamics

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math.CA2017

Three positive solutions to an indefinite Neumann problem: a shooting method

Guglielmo Feltrin, Elisa Sovrano

We deal with the Neumann boundary value problem \begin{equation*} \begin{cases} \, u" + \bigl{(} λa^{+}(t)-μa^{-}(t) \bigr{)}g(u) = 0, \\ \, 0 < u(t) < 1, \quad \forall\, t\in\math…