Existence of the positive solutions for a tripled system of fractional differential equations via integral boundary conditions

Yıl 2021, Cilt: 4 Sayı: 3, 186 - 199, 30.09.2021

Hojjat Afshari , Hadi Shojaat Mansoureh Siahkali Moradi

https://doi.org/10.53006/rna.938851

Cited By: 14

Öz

The purpose of this paper, is studying the existence and
nonexistence of positive solutions to a class of a following tripled
system of fractional differential equations.
\begin{eqnarray*} \left\{ \begin{array}{ll}
D^{\alpha}u(\zeta)+a(\zeta)f(\zeta,v(\zeta),\omega(\zeta))=0, \quad
\quad u(0)=0,\quad u(1)=\int_0^1\phi(\zeta)u(\zeta)d\zeta, \\ \\
D^{\beta}v(\zeta)+b(\zeta)g(\zeta,u(\zeta),\omega(\zeta))=0, \quad
\quad v(0)=0,\quad v(1)=\int_0^1\psi(\zeta)v(\zeta)d\zeta,\\ \\
D^{\gamma}\omega(\zeta)+c(\zeta)h(\zeta,u(\zeta),v(\zeta))=0,\quad
\quad \omega(0)=0,\quad
\omega(1)=\int_0^1\eta(\zeta)\omega(\zeta)d\zeta,\\ \end{array}
\right.\end{eqnarray*} \\ where $0\leq \zeta \leq 1$, $1<\alpha,
\beta, \gamma \leq 2$, $a,b,c\in C((0,1),[0,\infty))$, $ \phi, \psi,
\eta \in L^1[0,1]$ are nonnegative and $f,g,h\in
C([0,1]\times[0,\infty)\times[0,\infty),[0,\infty))$ and $D$ is the
standard Riemann-Liouville fractional derivative.\\
Also, we provide some examples to demonstrate the validity of our
results.

Anahtar Kelimeler

Tripled System, fractional differential equation, integral boundary conditions, existence and nonexistence of positive solutions

Kaynakça

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