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math.AP2012★ 1 cited
On the existence and cusp singularity of solutions to semilinear generalized Tricomi equations with discontinuous initial data
Zhuoping Ruan, Ingo Witt, Huicheng Yin
In this paper, we are concerned with the local existence and singularity structure of low regularity solutions to the semilinear generalized Tricomi equation $\p_t^2u-t^mΔu=f(t,x,u…
math.AP2012★ 2 cited
On the lifespan of and the blowup mechanism for smooth solutions to a class of 2-D nonlinear wave equations with small initial data
Bingbing Ding, Ingo Witt, Huicheng Yin
This paper is concerned with the lifespan and the blowup mechanism for smooth solutions to the 2-D nonlinear wave equation $\p_t^2u-\ds\sum_{i=1}^2\p_i(c_i^2(u)\p_iu)$ , where…