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arXiv 2008.06184q-fin.MF
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无套利对称性

No-Arbitrage Symmetries

I. L. Degano, S. E. Ferrando, A. L. Gonzalez

摘要:

无套利性质被广泛认为是现代金融数学的核心,可以被认为是适用于一大类(理想化)市场的金融定律。本文解决了以下基本问题:可以刻画类的转换,离开法律的无套利不变?我们提供了一个几何形式化的离散时间的非概率设置,所谓的模型。然后,本文的特点,在当地的意义上,无套利对称性,并说明了他们的意义在一个详细的例子。我们的上下文使结果可用于随机设置作为一个特殊情况

英文摘要:

The no-arbitrage property is widely accepted to be a centerpiece of modern financial mathematics and could be considered to be a financial law applicable to a large class of (idealized) markets. The paper addresses the following basic question: can one characterize the class of transformations that leave the law of no-arbitrage invariant? We provide a geometric formalization of this question in a non probabilistic setting of discrete time, the so-called trajectorial models. The paper then characterizes, in a local sense, the no-arbitrage symmetries and illustrates their meaning in a detailed example. Our context makes the result available to the stochastic setting as a special case

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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