We consider the Cauchy problem for a family of Klein-Gordon equations with initial data in modulation spaces . We develop the well-posedness, blowup criterion, stability of regularity, scattering theory, and stability theory.
Guoping Zhao. Jiecheng Chen. Weichao Guo. "Klein-Gordon Equations on Modulation Spaces." Abstr. Appl. Anal. 2014 1 - 15, 2014. https://doi.org/10.1155/2014/947642