Phase transition for parking blocks, Brownian excursion and coalescence

dc.creatorChassaing, Philippe
dc.creatorLouchard, Guy
dc.date2005-01-05
dc.date.accessioned2026-07-07T05:15:50Z
dc.date.available2026-07-07T05:15:50Z
dc.descriptionIn this paper, we consider hashing with linear probing for a hashing table with m places, n items (n < m), and l = m<n empty places. For a non computer science-minded reader, we shall use the metaphore of n cars parking on m places: each car chooses a place at random, and if this place k is occupied, the car tries successively k+1, k+2, ... until it finds an empty place (with the convention that place m+1 is actually place 1). Pittel [42] proves that when l/m goes to some positive limit a < 1, the size of the largest block of consecutive cars is O(log m). In this paper we examine at which level for n a phase transition occurs for the largest block of consecutive cars between o(m) and O(m). The intermediate case reveals an interesting behaviour of sizes of blocks, related to the standard additive coalescent in the same way as the sizes of connected components of the random graph are related to the multiplicative coalescent.
dc.identifierhttps://arxiv.org/abs/math/0501060
dc.identifierhttp://arxiv.org/abs/math/0501060
dc.identifierRandom Structures Algorithms 21 (2002) 76-119
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/73766
dc.subjectProbability
dc.subjectA.M.S: 60C05, 60J65, 60F05, 68P10, 68R05
dc.titlePhase transition for parking blocks, Brownian excursion and coalescence
dc.typetext

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