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math.PR2022
Edgeworth Expansion by Stein's Method
Xiao Fang, Song-Hao Liu
Edgeworth expansion provides higher-order corrections to the normal approximation for a probability distribution. The classical proof of Edgeworth expansion is via characteristic f…
math.PR2021★ 2 cited
Cramér-type Moderate Deviation for Quadratic Forms with a Fast Rate
Xiao Fang, Song-Hao Liu, Qi-Man Shao
Let be independent and identically distributed random vectors in . Suppose , , where is the $d\times d…