论文标题

凯奇(Cauchy)问题的独特性,用于扩散实现的严格的当地马利亚群岛

Uniqueness in Cauchy problems for diffusive real-valued strict local martingales

论文作者

Cetin, Umut, Larsen, Kasper

论文摘要

对于实现的一维扩散的严格的本地玛格莱尔,我们提供了一组平滑功能,其中Cauchy问题在本地Hölder条件下具有独特的经典解决方案。在较弱的Engelbert-Schmidt条件下,我们提供了一套,其中Cauchy问题具有独特的弱解决方案。我们使用二次正常波动率模型和二维Bessel过程来体现我们的结果。

For a real-valued one dimensional diffusive strict local martingale,, we provide a set of smooth functions in which the Cauchy problem has a unique classical solution under a local Hölder condition. Under the weaker Engelbert-Schmidt conditions, we provide a set in which the Cauchy problem has a unique weak solution. We exemplify our results using quadratic normal volatility models and the two dimensional Bessel process.

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