几类保正算子基态的点态估计
Pointwise estimates for the ground states of some classes of positivity preserving operators
摘要:
本文建立了几类保正算子基态的逐点估计。所考虑的运营商是负扰动(措施)强本地Dirichlet运营商。这些估计将被写在考虑运营商,其存在性将被证明的格林核。在许多情况下,我们的估计甚至是尖锐的,以便它们恢复关于该主题的已知结果。所得结果对于得到相关算子的大时间热核估计具有重要意义。
英文摘要:
We establish pointwise estimates for the ground states of some classes of posi- tivity preserving operators. The considered operators are negatively perturbed (by measures) strongly local Dirichlet operators. These estimates will be written in terms of the Green's kernel of the considered operators, whose existence will be proved. In many circumstances our estimates are even sharp so that they recover known results about the subject. The results will deserve to obtain large time heat kernel estimates for the related operators.
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