带无界低阶项的退化奇异椭圆型方程的Harnack不等式
On the Harnack inequality for degenerate and singular elliptic equations with unbounded lower order terms via sliding paraboloids
摘要：
利用滑动抛物面方法，建立了一类低阶项无界的线性退化奇异椭圆型方程的Harnack不等式.我们考虑的方程包括一致椭圆型方程和线性化的蒙日-安培方程。我们的论点使我们能够证明的功能，在大梯度点，是解决方案（退化和奇异）椭圆型方程无界漂移的加倍估计。
英文摘要：
We use the method of sliding paraboloids to establish a Harnack inequality for linear, degenerate and singular elliptic equation with unbounded lower order terms. The equations we consider include uniformly elliptic equations and linearized Monge-Ampère equations. Our argument allows us to prove the doubling estimate for functions which, at points of large gradient, are solutions of (degenerate and singular) elliptic equations with unbounded drift.
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