Existence of positive solutions to multi-point third order problems with sign changing nonlinearities


DOĞAN A. , Graef J. R.

ACTA ET COMMENTATIONES UNIVERSITATIS TARTUENSIS DE MATHEMATICA, cilt.24, ss.109-129, 2020 (ESCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 24 Konu: 1
  • Basım Tarihi: 2020
  • Doi Numarası: 10.12697/acutm.2020.24.08
  • Dergi Adı: ACTA ET COMMENTATIONES UNIVERSITATIS TARTUENSIS DE MATHEMATICA
  • Sayfa Sayıları: ss.109-129

Özet

In this paper, the authors examine the existence of positive solutions to a third-order boundary value problem having a sign changing nonlinearity. The proof makes use of fixed point index theory. An example is included to illustrate the applicability of the results.