Martingale Representations and Holomorphic Processes
Open Access
- 1 August 1977
- journal article
- Published by Institute of Mathematical Statistics in The Annals of Probability
- Vol. 5 (4) , 511-521
- https://doi.org/10.1214/aop/1176995757
Abstract
We give a simple representation of two-parameter martingales in terms of a stochastic integral. This representation leads to the idea of the partial derivate of a martingale and to a generalization of the stochastic Green's theorem of the authors. Green's formula in this generalized form gives us a new and simpler proof of the fact that the derivative of a holomorphic process is holomorphic.Keywords
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