In this paper, we were concerned with the global behavior of positive solutions for third-order semipositone problems with an integral boundary condition
$ \begin{equation*} \begin{split} &y'''+\beta y''+\alpha y'+\lambda f(t,y) = 0,\; \; \; t\in(0,1),\\ &y(0) = y'(0) = 0,\; \; \; y(1) = \chi\int^1_0y(s)ds, \end{split} \end{equation*} $
where $ \alpha\in(0, \infty) $ and $ \beta\in(-\infty, \infty) $ are two constants, $ \lambda, \chi $ are two positive parameters, and $ f\in C([0, 1]\times[0, \infty), \mathbb{R}) $ with $ f(t, 0) < 0 $. Our analysis mainly relied on the bifurcation theory.
Citation: Zhonghua Bi, Sanyang Liu. Global structure of positive solutions for third-order semipositone integral boundary value problems[J]. AIMS Mathematics, 2024, 9(3): 7273-7292. doi: 10.3934/math.2024353
In this paper, we were concerned with the global behavior of positive solutions for third-order semipositone problems with an integral boundary condition
$ \begin{equation*} \begin{split} &y'''+\beta y''+\alpha y'+\lambda f(t,y) = 0,\; \; \; t\in(0,1),\\ &y(0) = y'(0) = 0,\; \; \; y(1) = \chi\int^1_0y(s)ds, \end{split} \end{equation*} $
where $ \alpha\in(0, \infty) $ and $ \beta\in(-\infty, \infty) $ are two constants, $ \lambda, \chi $ are two positive parameters, and $ f\in C([0, 1]\times[0, \infty), \mathbb{R}) $ with $ f(t, 0) < 0 $. Our analysis mainly relied on the bifurcation theory.
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