《Local times for typical price paths and pathwise Tanaka formulas》
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作者:
Nicolas Perkowski, David J. Pr\\\"omel
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最新提交年份:
2015
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英文摘要:
Following a hedging based approach to model free financial mathematics, we prove that it should be possible to make an arbitrarily large profit by investing in those one-dimensional paths which do not possess local times. The local time is constructed from discrete approximations, and it is shown that it is $\\alpha$-H\\\"older continuous for all $\\alpha<1/2$. Additionally, we provide various generalizations of F\\\"ollmer\'s pathwise It\\^o formula.
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中文摘要:
根据一种基于套期保值的无模型金融数学方法,我们证明了通过投资于那些不具有本地时间的一维路径,可以获得任意大的利润。局部时间是由离散近似构造的,并且证明了对于所有的$\\alpha<1/2$,局部时间都是$\\alpha$-H”连续的。此外,我们还提供了F“ollmer的路径it”o公式的各种推广。
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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: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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