考慮曲率的幾何布朗運動是否更貼切?? - 股票

By Edward Lewis
at 2019-08-20T12:53
at 2019-08-20T12:53
Table of Contents
請教一下各位!
一般描述幾何布朗運動是不是都考慮所處的空間是在一個歐氏空間(Euclidean)上?
如果把所處空間訂在一個Riemannian space (黎曼空間)上
或是一個奇怪的流形空間上
通常會跑出一個跟局部空間曲率有關的項
一般描述股價的動力學方程式(ex: 幾何布朗運動)有包含此曲率的修正項嗎??
如果考慮此所處空間的曲率項之後
對於預測股價有沒有幫助?
還是效應很小?
感謝!!!
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