英文标题:
《Optimal stopping for the exponential of a Brownian bridge》
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作者:
Tiziano De Angelis and Alessandro Milazzo
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最新提交年份:
2019
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英文摘要:
In this paper we study the problem of stopping a Brownian bridge $X$ in order to maximise the expected value of an exponential gain function. In particular, we solve the stopping problem $$\\sup_{0\\le \\tau\\le 1}\\mathsf{E}[\\mathrm{e}^{X_\\tau}]$$ which was posed by Ernst and Shepp in their paper [Commun. Stoch. Anal., 9 (3), 2015, pp. 419--423] and was motivated by bond selling with non-negative prices. Due to the non-linear structure of the exponential gain, we cannot rely on methods used in the literature to find closed-form solutions to other problems involving the Brownian bridge. Instead, we develop techniques that use pathwise properties of the Brownian bridge and martingale methods of optimal stopping theory in order to find the optimal stopping rule and to show regularity of the value function.
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中文摘要:
本文研究了为了使指数增益函数的期望值最大化而阻止一个布朗桥$X$的问题。特别是,我们解决了停止问题$$\\sup\\uu0\\le\\tau\\le 1}\\mathsf{E}[\\mathrm{E}^{X\\uutau}]$$,这是由Ernst和Shepp在他们的论文中提出的【Commun.Stoch.Anal.,9(3),2015,第419-423页】,其动机是以非负价格出售债券。由于指数增益的非线性结构,我们不能依赖文献中使用的方法来寻找涉及布朗桥的其他问题的闭式解。相反,我们开发了使用布朗桥的路径性质和最优停止理论的鞅方法的技术,以找到最优停止规则并显示值函数的规律性。
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分类信息:
一级分类:Mathematics 数学
二级分类:Probability 概率
分类描述:Theory and applications of probability and stochastic processes: e.g. central limit theorems, large deviations, stochastic differential equations, models from statistical mechanics, queuing theory
概率论与随机过程的理论与应用:例如中心极限定理,大偏差,随机微分方程,统计力学模型,排队论
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一级分类:Mathematics 数学
二级分类:Optimization and Control 优化与控制
分类描述:Operations research, linear programming, control theory, systems theory, optimal control, game theory
运筹学,线性规划,控制论,系统论,最优控制,博弈论
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一级分类:Quantitative Finance 数量金融学
二级分类:Mathematical Finance 数学金融学
分类描述:Mathematical and analytical methods of finance, including stochastic, probabilistic and functional analysis, algebraic, geometric and other methods
金融的数学和分析方法,包括随机、概率和泛函分析、代数、几何和其他方法
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