Regular variation in the branching random walk

initial ancestor located at the origin of the real line. For n = 0, 1, . . . , let Wn be the moment generating function of Mn normalized by its mean. Denote by AWn any of the following random variables: maximal function, square function, L1 and a.s. limit W, supn≥0 |W − Wn|, supn≥0 |Wn+1 − Wn|. Un...

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Видавець:Інститут математики НАН України
Дата:2006
Автори: Iksanov, A., Polotskiy, S.
Формат: Стаття
Мова:English
Опубліковано: Інститут математики НАН України 2006
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/4440
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Цитувати:Regular variation in the branching random walk / A. Iksanov, S. Polotskiy // Theory of Stochastic Processes. — 2006. — Т. 12 (28), № 1-2. — С. 38–54. — Бібліогр.: 25 назв.— англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-44402009-11-11T12:00:33Z Regular variation in the branching random walk Iksanov, A. Polotskiy, S. initial ancestor located at the origin of the real line. For n = 0, 1, . . . , let Wn be the moment generating function of Mn normalized by its mean. Denote by AWn any of the following random variables: maximal function, square function, L1 and a.s. limit W, supn≥0 |W − Wn|, supn≥0 |Wn+1 − Wn|. Under mild moment restrictions and the assumption that {W1 > x} regularly varies at ∞, it is proved that P{AWn > x} regularly varies at ∞ with the same exponent. All the proofs given are non-analytic in the sense that these do not use Laplace–Stieltjes transforms. The result on the tail behaviour of W is established in two distinct ways. 2006 Article Regular variation in the branching random walk / A. Iksanov, S. Polotskiy // Theory of Stochastic Processes. — 2006. — Т. 12 (28), № 1-2. — С. 38–54. — Бібліогр.: 25 назв.— англ. 0321-3900 http://dspace.nbuv.gov.ua/handle/123456789/4440 519.21 en Інститут математики НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description initial ancestor located at the origin of the real line. For n = 0, 1, . . . , let Wn be the moment generating function of Mn normalized by its mean. Denote by AWn any of the following random variables: maximal function, square function, L1 and a.s. limit W, supn≥0 |W − Wn|, supn≥0 |Wn+1 − Wn|. Under mild moment restrictions and the assumption that {W1 > x} regularly varies at ∞, it is proved that P{AWn > x} regularly varies at ∞ with the same exponent. All the proofs given are non-analytic in the sense that these do not use Laplace–Stieltjes transforms. The result on the tail behaviour of W is established in two distinct ways.
format Article
author Iksanov, A.
Polotskiy, S.
spellingShingle Iksanov, A.
Polotskiy, S.
Regular variation in the branching random walk
author_facet Iksanov, A.
Polotskiy, S.
author_sort Iksanov, A.
title Regular variation in the branching random walk
title_short Regular variation in the branching random walk
title_full Regular variation in the branching random walk
title_fullStr Regular variation in the branching random walk
title_full_unstemmed Regular variation in the branching random walk
title_sort regular variation in the branching random walk
publisher Інститут математики НАН України
publishDate 2006
url http://dspace.nbuv.gov.ua/handle/123456789/4440
citation_txt Regular variation in the branching random walk / A. Iksanov, S. Polotskiy // Theory of Stochastic Processes. — 2006. — Т. 12 (28), № 1-2. — С. 38–54. — Бібліогр.: 25 назв.— англ.
work_keys_str_mv AT iksanova regularvariationinthebranchingrandomwalk
AT polotskiys regularvariationinthebranchingrandomwalk
first_indexed 2023-03-24T08:30:10Z
last_indexed 2023-03-24T08:30:10Z
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