@article{Li2025, 
author = {Haixia Li and Xin Liu},
title = {Positive solutions for a Caputo-type fractional differential equation with a Riemann-Stieltjes integral boundary condition},
year = {2025},
journal = {Electronic Research Archive},
volume = {33},
number = {6},
pages = {4027-4044},
keywords = {Caputo-type fractional-order differential equations, integral boundary value problems, positive solutions, upper-lower solution method},
url = {https://www.sciopen.com/article/10.3934/era.2025179},
doi = {10.3934/era.2025179},
abstract = {In this paper, we study the solvability of positive solutions for a Caputo-type fractional-order Riemann-Stieltjes integral boundary value problem. Under some monotonicity conditions for the nonlinearity, we use the upper-lower solution method to obtain two existence theorems.}
}