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Ding, Lei; Sun, Mingzheng; Tian, Rushun
Applied mathematics letters, January 2021, 2021-01-00, Letnik: 111Journal Article
In this paper, we consider the Ambrosetti–Prodi type equation, that is, the nonlinearity f is asymptotically linear at −∞, while f is superlinear at +∞. Under weak conditions, we can obtain three nontrivial solutions by Morse theory.
