DSA Volume 31, 2022, Issue 4

N. Begashaw, G. Comert, and N. G. Medhin (217-236)
Fractional Differential Equation Model For COVID-19 Epidemic

Yun-Ho Kim (237-256)
Existence and Multiplicity of Solutions for Nonlocal Schrodinger-Kirchhoff Equations With the External Magnetic Field

Gabriele Villari and Fabio Zanolin (257-264)
Existence and Nonexistence of Limit Cycles for a Certain Clas)s of Planar Systems of Lienard Type

O. K. Bellaou, A. Baliki, J. Henderson and A. Ouahab (265-282)
Periodic Solutions of Random Nonlinear Evolution Inclusions in Banach Spaces