Articles with "singular riemann" as a keyword



Positive Solutions for a Semipositone Singular ψ–Riemann–Liouville Fractional Boundary Value Problem

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Published in 2025 at "Mathematics"

DOI: 10.3390/math13203292

Abstract: We explore the existence of positive solutions to a ψ–Riemann–Liouville fractional differential equation with a parameter and a sign-changing singular nonlinearity, supplemented with nonlocal boundary conditions which contain Riemann–Stieltjes integrals and various fractional derivatives. To… read more here.

Keywords: liouville fractional; positive solutions; singular riemann; semipositone singular ... See more keywords