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arXiv 2609.24731math.PR

高温区域高斯β系综的大偏差原理

A large deviation principle for the Gaussian beta ensemble in the high temperature regime

Helene Götz, Jan Nagel

AI总结:

本文证明了高温区域高斯β系综加权谱测度的大偏差原理,其速率函数仅对离散测度有限,且在极高温时额外惩罚多余支撑点。

AI中文摘要:

我们证明了在高温区域,当$n\beta_n\to 2c \in [0,\infty)$时,高斯β系综的加权谱测度满足大偏差原理。所得速率函数具有新颖且有趣的结构:它仅对离散测度有限,并且,在极高温区域(当$c=0$时),可能会出现额外的项,这些项会惩罚第一个支撑点之外的每个支撑点。

英文摘要:

We show a large deviation principle for the weighted spectral measure of the Gaussian beta ensemble in the high temperature regime, when $nβ_n\to 2c \in [0,\infty)$. The resulting rate function has a novel and interesting structure: it is finite only for discrete measures and moreover, in the very high-temperature regime (when $c=0$), additional terms may arise that penalize each support point beyond the first.

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