We study convergence of solutions of a space and time inhomogeneous fractional wave equation on the quarter-plane to the stationary regime described by solutions of the Helmholtz equation.
Mateo Dulce. Alexander Getmanenko. "On the Relationship between the Inhomogeneous Wave and Helmholtz Equations in a Fractional Setting." Abstr. Appl. Anal. 2019 1 - 9, 2019. https://doi.org/10.1155/2019/1483764