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首页> 外文期刊>Journal of the Mathematical Society of Japan >Uniqueness theorems for parabolic equations and Martin boundaries for elliptic equations in skew product form
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Uniqueness theorems for parabolic equations and Martin boundaries for elliptic equations in skew product form

机译:偏积形式的抛物方程的唯一性定理和椭圆方程的马丁定理

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摘要

We give a method to determine Martin boundaries of product domains for elliptic equations in skew product form via Widder type uniqueness theorems for parabolic equations. It is shown that the fiber of the Martin boundary at infinity of the base space degenerates into one point if any nonnegative solution to the Dirichlet problem for a corresponding parabolic equation with zero initial and boundary data is identically zero. We apply it in a unified way to several concrete examples to explicitly determine Martin boundaries for them.
机译:我们给出了一种通过抛物方程的Widder型唯一性定理来确定偏积形式的椭圆方程的乘积域的马丁边界的方法。结果表明,如果初始和边界数据为零的相应抛物方程的Dirichlet问题的任何非负解都为零,则基空间无穷大处的马丁边界的纤维退化为一个点。我们以统一的方式将其应用于几个具体示例,以明确为其确定马丁边界。

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