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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Bubbling and extinction for some fast diffusion equations in bounded domains
有界域 快速扩散方程 气泡 消光
2023/11/13
Motivated by the Wisconsin octupole experiments on anomalous diffusion of hydrogen plasma across a purely poloidal octupole magnetic field, Berryman-Holland 1980 proved the stability of separable solu...
On reduced Beltrami equations and linear families of quasiregular mappings
Quasiregular mappings linear families elliptic PDEs
2010/12/6
We give a positive answer to a conjecture of K. Astala, T. Iwaniec, and G.Martin [4] on reduced Beltrami equations. Moreover, we use it to study differential expressions related to two-dimensional lin...