This article demonstrates the existence of positive solutions in discrete fractional equations, suggesting useful criteria for boundary conditions.
In this article, by using the fixed point index theory, we investigate the existence of positive solutions for Riemann–Liouville nabla fractional difference equations satisfying two distinct types of boundary conditions. First, we construct the Green functions carefully and evaluate their bounds. Next, we obtain some verifiable criteria for the existence of positive solutions by using the Green functions and the evaluations of bounds. 34A08, 39A12, 39A27.
No takes yet. Share an insight, caveat, or question.
Jonnalagadda et al. (2026) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: