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Penalisations of brownian motion with
its maximum and minimum processes as
weak forms of Skorokhod embedding
B. Roynettea, P. Valloisa, M. Yorb a Institut Elie Cartan, Université Henri Poincaré, B.P.239, 54506 Vandoeuvre les Nancy Cedex
b Laboratoire de Probabilités et Modèles Aléatoires, Université Paris VI et VII 4 place Jussien-Case 188; F-75252 Paris Cedex 05; Institut Universitaire de France
Аннотация:
We develop a Brownian penalisation procedure related to weight processes $(F_t)$ of
the type: $F_t:=f(I_t, S_t)$ where $f$ is a bounded function with compact support and
$S_t$ (resp. $I_t$) is the one-sided maximum (resp. minimum) of the Brownian motion
up to time $t.$ Two main cases are treated: either $F_t$t is the indicator function of
$\{I_t\geq\alpha, S_t\leq\beta\}$ or $F_t$t is null when $\{S_t-I_t>c\}$ for some $c>0.$ Then we apply
these results to some kind of asymptotic Skorokhod embedding problem.
Ключевые слова:
Skorokhod’s problem, penalisation, one-sided maximum and minimum,
Laplace’s method.
Образец цитирования:
B. Roynette, P. Vallois, M. Yor, “Penalisations of brownian motion with
its maximum and minimum processes as
weak forms of Skorokhod embedding”, Theory Stoch. Process., 14(30):2 (2008), 116–138
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/thsp150 https://www.mathnet.ru/rus/thsp/v14/i2/p116
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Страница аннотации: | 88 | PDF полного текста: | 43 | Список литературы: | 28 |
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