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arXiv 1708.01899math.AP
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抛物型方程解的定量唯一性

Quantitative uniqueness of solutions to parabolic equations

Jiuyi Zhu

摘要:

研究紧致光滑流形上具有低阶项的抛物型方程解的定量唯一性。数量唯一性是强唯一连续性的一种定量形式。我们用消失率来刻画数量唯一性。通过势函数的$C^{1, 1}$范数和系数函数的$L^\infty$范数可以得到解的消失阶。建立了一些定量的Carleman估计和三柱体不等式。

英文摘要:

We investigate the quantitative uniqueness of solutions to parabolic equations with lower order terms on compact smooth manifolds. Quantitative uniqueness is a quantitative form of strong unique continuation property. We characterize quantitative uniqueness by the rate of vanishing. We can obtain the vanishing order of solutions by $C^{1, 1}$ norm of the potential functions, as well as the $L^\infty$ norm of the coefficient functions. Some quantitative Carleman estimates and three cylinder inequalities are established.

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