Global smooth solutions of 2-D quadratically quasilinear wave equations with null conditions in exterior domains, II

Fei Hou, Huicheng Yin

In the paper [S. Alinhac, The null condition for quasilinear wave equations in two space dimensions I, Invent. Math. 145 (2001), no. 3, 597-618], S. Alinhac established the global…