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Deviation results for sparse tables in hashing with linear probing

A Lagnoux
P Petit

Abstract

We consider the model of hashing with linear probing and we establish the moderate and large deviations for the total displacement in sparse tables. In this context, Weibull-like-tailed random variables appear. Deviations for sums of such heavy-tailed random variables are studied in \cite{Nagaev69-1,Nagaev69-2}. Here we adapt the proofs therein to deal with conditioned sums of such variables and solve the open question in \cite{TFC12}. By the way, we establish the deviations of the total displacement in full tables, which can be derived from the deviations of empirical processes of i.i.d.\ random variables established in \cite{Wu94}..
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Dates and versions

hal-01097276 , version 1 (24-12-2014)
hal-01097276 , version 2 (04-03-2016)
hal-01097276 , version 3 (15-01-2021)
hal-01097276 , version 4 (14-12-2021)

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Thierry Klein, A Lagnoux, P Petit. Deviation results for sparse tables in hashing with linear probing. 2014. ⟨hal-01097276v3⟩
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