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A System of BSDEs with Singular Terminal Values Arising in Optimal Liquidation with Regime Switching

Mathematical Finance 2025-01-22 v2 Optimization and Control Probability

Abstract

We study a stochastic control problem with regime switching arising in an optimal liquidation problem with dark pools and multiple regimes. The new feature of this model is that it introduces a system of BSDEs with jumps and with singular terminal values, which appears in literature for the first time. The existence result for this system is obtained. As a result, we solve the stochastic control problem with regime switching. More importantly, the uniqueness result of this system is also obtained, in contrast to merely minimal solutions established in most related literature.

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Cite

@article{arxiv.2412.19058,
  title  = {A System of BSDEs with Singular Terminal Values Arising in Optimal Liquidation with Regime Switching},
  author = {Guanxing Fu and Xiaomin Shi and Zuo Quan Xu},
  journal= {arXiv preprint arXiv:2412.19058},
  year   = {2025}
}

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19 pages