| [1] | Wang Y, Liu L, Zhang X, Wu Y. Positive solutions of an abstract fractional semipositone differential system model for bioprocesses of HIV infection. Applied Mathematics and Computation, 2015, 258: 312-324 |
| [2] | Zhong Q, Zhang X, Gu L, Lei L, Zhao Z. Multiple positive solutions for singular higher-order semipositone fractional differential equations with $p$-Laplacian. Nonlinear Analysis: Modelling and Control, 2020, 25(5): 806-826 |
| [3] | Hao X, Sun H, Liu L, Wang D. Positive solutions for semipositone fractional integral boundary value problem on the half-line. RACSAM, 2019, 113(4): 3055-3067 |
| [4] | Ding Y, Jiang J, O'Regan D, Xu J. Positive solutions for a system of Hadamard-type fractional differential equations with semipositone nonlinearities. Complexity, 2020, Aarticle ID 9742418 |
| [5] | Xu J, Goodrich C, Cui Y. Positive solutions for a system of first-order discrete fractional boundary value problems with semipositone nonlinearities. RACSAM, 2019, 113(2): 1343-1358 |
| [6] | Yang W. Positive solutions for nonlinear semipositone fractional $q$-difference system with coupled integral boundary conditions. Applied Mathematics and Computation, 2014, 244: 702-725 |
| [7] | Yuan C. Two positive solutions for $(n-1,1)$-type semipositone integral boundary value problems for coupled systems of nonlinear fractional differential equations. Communications in Nonlinear Science and Numerical Simulation, 2012, 17(2): 930-942 |
| [8] | Xu X, Jiang D, Yuan C. Multiple positive solutions to singular positone and semipositone Dirichlet-type boundary value problems of nonlinear fractional differential equations. Nonlinear Analysis: Theory Methods & Applications, 2011, 74(16): 5685-5696 |
| [9] | Henderson J, Luca R. Existence of positive solutions for a system of semipositone fractional boundary value problems. Electronic Journal of Qualitative Theory of Differential Equations, 2016, 22: 1-28 |
| [10] | Ege S, Topal F. Existence of multiple positive solutions for semipositone fractional boundary value problems. Filomat, 2019, 33(3): 749-759 |
| [11] | Xu J, Wei Z, Ding Y. Positive solutions for a boundary-value problem with Riemann-Liouville fractional derivative. Lithuanian Mathematical Journal, 2012, 52(4): 462-476 |
| [12] | Jie Z, Feng M. Green's function for Sturm-Liouville-type boundary value problems of fractional order impulsive differential equations and its application. Boundary Value Problems, 2014, 2014: Article 69 |
| [13] | Wang G, Ahmad B, Zhang L. Some existence results for impulsive nonlinear fractional differential equations with mixed boundary conditions. Computers and Mathematics with Applications, 2011, 62: 1389-1397 |
| [14] | Zhang K, Xu J. Positive solutions for an impulsive boundary value problem with Caputo fractional derivative. Journal of Nonlinear Sciences and Applications, 2016, 9(6): 4628-4638 |
| [15] | Zhao K. Impulsive integral boundary value problems of the higher-order fractional differential equation with eigenvalue arguments. Advances in Difference Equations, 2015, 2015: Article 382 |
| [16] | Ahmad B, Sivasundaram S. Existence results for nonlinear impulsive hybrid boundary value problems involving fractional differential equations. Nonlinear Analysis: Hybrid Systems, 2009, 3(3): 251-258 |
| [17] | Ahmad B, Sivasundaram S. Existence of solutions for impulsive integral boundary value problems of fractional order. Nonlinear Analysis: Hybrid Systems, 2010, 4(1): 134-141 |
| [18] | Wang G, Ahmad B, Zhang L, Nieto J. Comments on the concept of existence of solution for impulsive fractional differential equations. Communications in Nonlinear Science and Numerical Simulation, 2014, 19(3): 401-403 |
| [19] | Bouzaroura A, Mazouzi S. Existence results for certain multi-orders impulsive fractional boundary value problem. Results in Mathematics, 2014, 66(1/2): 1-20 |
| [20] | Tian Y, Bai Z. Existence results for the three-point impulsive boundary value problem involving fractional differential equations. Computers & Mathematics with Applications, 2010, 59(8): 2601-2609 |
| [21] | Fu X, Bao X. Some existence results for nonlinear fractional differential equations with impulsive and fractional integral boundary conditions. Advances in Difference Equations, 2014, 2014: Article 129 |
| [22] | Liu Z, Lu L, Szanto I. Existence of solutions for fractional impulsive differential equations with $p$-Laplacian operator. Acta Mathematica Hungarica, 2013, 141(3): 203-219 |
| [23] | Zhao X, Ge W. Some results for fractional impulsive boundary value problems on infinite intervals. Applications of Mathematics, 2011, 56(4): 371-387 |
| [24] | Liu Y. Solvability of impulsive periodic boundary value problems for higher order fractional differential equations. Arabian Journal of Mathematics, 2016, 5(4): 195-214 |
| [25] | Wang H, Lin X. Anti-periodic BVP of fractional order with fractional impulsive conditions and variable parameter. Journal of Applied Mathematics and Computing, 2017, 53(1/2): 285-301 |
| [26] | El-shahed M. Positive solutions for boundary-value problems of nonlinear fractional differential equation. Abstract and Applied Analysis, 2007, ID: 010368 |
| [27] | Kilbas A, Srivastava H, Trujillo J. Theory and Applications of Fractional Differential Equations. Amsterdam: NorthHolland, 2006 |
| [28] | Podlubny I. Fractional Differential Equations, Mathematics in Science and Engineering, Vol 198. San Diego: Academic Press, 1999 |
| [29] | Samko S, Kilbas A, Marichev O. Fractional Integrals and Derivatives: Theory and Applications. Yverdon: Gordon and Breach Science Publisher, 1993 |
| [30] | Guo D, Lakshmikantham V. Nonlinear Problems in Abstract Cones. Orlando: Academic Press, 1988 |