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Sub-Gaussian tail b...
Sub-Gaussian tail bounds for the width and height of conditioned Galton–Watson trees
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Addario-Berry, Louigi (författare)
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Devroye, Luc (författare)
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- Janson, Svante (författare)
- Uppsala universitet,Matematiska institutionen
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: Annals of Probability. - 0091-1798 .- 2168-894X. ; 41:2, s. 1072-1087
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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visa färre...
Abstract
Ämnesord
Stäng
- We study the height and width of a Galton-Watson tree with offspring distribution xi satisfying E xi = 1, 0 < Var xi < infinity, conditioned on having exactly n nodes. Under this conditioning, we derive sub-Gaussian tail bounds for both the width (largest number of nodes in any level) and height (greatest level containing a node); the bounds are optimal up to constant factors in the exponent. Under the same conditioning, we also derive essentially optimal upper tail bounds for the number of nodes at level k, for 1 <= k <= n.
Nyckelord
- Random trees
- Galton-Watson trees
- simply generated trees
- width
- height
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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