Geodesic
G\"otze F., Zaitsev A. Yu. Improved applications of Arak's inequalities to the Littlewood--Offord problem
Zapiski Nauchnykh Seminarov POMI, Probability and statistics. Part 36, Tome 535 (2024), pp. 70-91

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Let $X_1,\ldots,X_n$ be independent identically distributed random variables. In this paper we study the behavior of concentration functions of weighted sums $\sum\limits_{k=1}^{n}X_ka_k $ with respect to the arithmetic structure of coefficients $a_k$ in the context of the Littlewood–Offord problem. We discuss the relations between the inverse principles proposed by Nguyen, Tao and Vu and similar principles formulated by Arak in his papers from the 1980's. We state some improved (more general and more precise) consequences of Arak's inequalities applying our recent bound in the Littlewood–Offord problem. Moreover, we also obtain an improvement of the estimates used in Rudelson and Vershynin's least common denominator method. \vskip.0cm 
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     author = {F. G\"otze and A. Yu. Zaitsev},
     title = {G\"otze {F.,} {Zaitsev} {A.} {Yu.} {Improved} applications of {Arak's} inequalities to the {Littlewood--Offord} problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
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F. Götze; A. Yu. Zaitsev. G\"otze F., Zaitsev A. Yu. Improved applications of Arak's inequalities to the Littlewood--Offord problem. Zapiski Nauchnykh Seminarov POMI, Probability and statistics. Part 36, Tome 535 (2024), pp. 70-91. http://geodesic.mathdoc.fr/item/ZNSL_2024_535_a5/