Precise Deviations for Discrete Ensembles

Precise Deviations for Discrete Ensembles
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DOI:
10.1007/s10114-023-1570-7
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发表时间:
2023-05
期刊:
Acta Mathematica Sinica, English Series
影响因子:
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通讯作者:
Wen Xuan Chen;F. Gao
Wen Xuan Chen;F. Gao
中科院分区:
其他
文献类型:
--
作者:
Wen Xuan Chen;F. Gao

文献摘要

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我们考虑离散系综的精确偏差。对于β= 2的情况,我们首先建立了权值为e−NV(x)的无限正则格上离散正交多项式的Christoffel-Darboux核的渐近公式。然后利用渐近公式求出相应系综极值的精确偏差。
We consider precise deviations for discrete ensembles. Forβ= 2 case, we first establish an asymptotic formula of the Christoffel–Darboux kernel of the discrete orthogonal polynomials on an infinite regular lattice with weight e−NV(x). Then we use the asymptotic formula to get the precise deviations of the extreme value for corresponding ensemble.