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math.AP2026
Global classical solutions to 3D irrotational compressible Euler equations of Chaplygin gases with weakly decaying initial data
Mu Gao, Huicheng Yin
We are concerned with the global classical solution problem of 3D compressible isentropic Euler equations of Chaplygin gases \[ \begin{cases} \partial_tρ+ \mathrm{div}(ρv) = 0,\\ \…
math.AP2026
Long time smooth solutions of 3D cubic quasilinear wave systems with small weakly decaying initial data
Mu Gao, Jun Li, Huicheng Yin
For the 3D cubic quasilinear wave system $\square_{c_i} u^i=G^i(u,\partial u,\partial^2u)=\displaystyle\sum_{\substack{0\le|α|,|β|,|γ|\le1 \\ 1\le j,k,l \le m}}g_{αβγ}^{ijkl}\parti…