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arXiv 2109.13625math.CV
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无界多重次调和函数包络的连续性

Continuity of envelopes of unbounded plurisubharmonic functions

Mårten Nilsson

摘要:

在有界B-正则域上,研究了多重次调和函数的包络,该函数由一个函数$ϕ$从上界,使得$ϕ^*=ϕ_*$在该域的闭包上.对于$ϕ$满足某些额外的标准,限制其行为的奇点,我们建立了一个集Perron Bremermann信封$P ϕ$是保证连续的。这个结果推广了J.B.沃尔什作为应用,我们证明了复蒙日-安培方程\[ (dd^cu)^n = μ\]对连续边界值唯一可解,这意味着它对一类从上无界的边界值也是唯一可解的.

英文摘要:

On bounded B-regular domains, we study envelopes of plurisubharmonic functions bounded from above by a function $ϕ$ such that $ϕ^*=ϕ_*$ on the closure of the domain. For $ϕ$ satisfying certain additional criteria limiting its behavior at the singularities, we establish a set where the Perron-Bremermann envelope $P ϕ$ is guaranteed to be continuous. This result is a generalization of a classic result in pluripotential theory due to J. B. Walsh. As an application, we show that the complex Monge--Ampère equation \[ (dd^cu)^n = μ\] being uniquely solvable for continuous boundary data implies that it is also uniquely solvable for a class of boundary values unbounded from above.

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