The Joint Law of the Extrema, Final Value and Signature of a Stopped Random Walk

@article{Duembgen2015TheJL,
  title={The Joint Law of the Extrema, Final Value and Signature of a Stopped Random Walk},
  author={Moritz Duembgen and L. C. G. Rogers},
  journal={arXiv: Probability},
  year={2015},
  pages={321-338}
}
A complete characterization of the possible joint distributions of the maximum and terminal value of uniformly integrable martingale has been known for some time, and the aim of this paper is to establish a similar characterization for continuous martingales of the joint law of the minimum, final value, and maximum, along with the direction of the final excursion. We solve this problem completely for the discrete analogue, that of a simple symmetric random walk stopped at some almost-surely… 

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