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math.AP2023
1+2 dimensional radially symmetric wave maps revisit
Yi Zhou
The author gives an alternative and simple proof of the global existence of smooth solutions to the Cauchy problem for wave maps from the 1+2-dimensional Minkowski space to an arbi…
math.AP2022
Generalized persistence of entropy weak solutions for system of hyperbolic conservation laws
Yi Zhou
Let be the solution to the Cauchy problem of a scalar conservation law in one space dimension. It is well known that even for smooth initial data the solution can become d…