Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals

Abstract In this paper, we study the existence and uniqueness of positive solutions for a class of a fractional differential equation system of Riemann–Liouville type on infinite intervals with infinite-point boundary conditions. First, the higher-order equation is reduced to the lower-order equatio...

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Main Authors: Yang Yu, Qi Ge
Format: Article
Language:English
Published: SpringerOpen 2024-03-01
Series:Boundary Value Problems
Subjects:
Online Access:https://doi.org/10.1186/s13661-024-01850-6
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author Yang Yu
Qi Ge
author_facet Yang Yu
Qi Ge
author_sort Yang Yu
collection DOAJ
description Abstract In this paper, we study the existence and uniqueness of positive solutions for a class of a fractional differential equation system of Riemann–Liouville type on infinite intervals with infinite-point boundary conditions. First, the higher-order equation is reduced to the lower-order equation, and then it is transformed into the equivalent integral equation. Secondly, we obtain the existence and uniqueness of positive solutions for each fixed parameter λ > 0 $\lambda >0$ by using the mixed monotone operators fixed-point theorem. The results obtained in this paper show that the unique positive solution has good properties: continuity, monotonicity, iteration, and approximation. Finally, an example is given to demonstrate the application of our main results.
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spelling doaj.art-94613ed54fdb45b3aa5f7f271d5cf2fa2024-03-31T11:27:07ZengSpringerOpenBoundary Value Problems1687-27702024-03-012024112010.1186/s13661-024-01850-6Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervalsYang Yu0Qi Ge1College of Science, Yanbian UniversityCollege of Science, Yanbian UniversityAbstract In this paper, we study the existence and uniqueness of positive solutions for a class of a fractional differential equation system of Riemann–Liouville type on infinite intervals with infinite-point boundary conditions. First, the higher-order equation is reduced to the lower-order equation, and then it is transformed into the equivalent integral equation. Secondly, we obtain the existence and uniqueness of positive solutions for each fixed parameter λ > 0 $\lambda >0$ by using the mixed monotone operators fixed-point theorem. The results obtained in this paper show that the unique positive solution has good properties: continuity, monotonicity, iteration, and approximation. Finally, an example is given to demonstrate the application of our main results.https://doi.org/10.1186/s13661-024-01850-6Fractional differential equation systemInfinite intervalsMixed monotone operatorsInfinite pointExistence and uniqueness of positive solutions
spellingShingle Yang Yu
Qi Ge
Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
Boundary Value Problems
Fractional differential equation system
Infinite intervals
Mixed monotone operators
Infinite point
Existence and uniqueness of positive solutions
title Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
title_full Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
title_fullStr Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
title_full_unstemmed Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
title_short Positive solutions for the Riemann–Liouville-type fractional differential equation system with infinite-point boundary conditions on infinite intervals
title_sort positive solutions for the riemann liouville type fractional differential equation system with infinite point boundary conditions on infinite intervals
topic Fractional differential equation system
Infinite intervals
Mixed monotone operators
Infinite point
Existence and uniqueness of positive solutions
url https://doi.org/10.1186/s13661-024-01850-6
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