Abstract
The problem of the sequential detection of a change in the drift of a one-dimensional Brownian motion is considered under the assumptions that the detection must eventually occur within a finite horizon and the detection delay is exponentially penalized. Our results extend those obtained by Beibel for the infinite horizon sequential detection with exponential penalty (Ann Stat 28:1696–1701, 2000) and by Gapeev and Peskir for the finite horizon sequential detection with linear penalty (Stoch Process Appl 116:1770–1791, 2006).
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The author wishes to thank the Editor, the Associate Editor and the referees for their insightful comments, which improved the presentation of the paper. Support from UCSC (D1 research grant) is also acknowledged.
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Communicated by Xiaolu Tan.
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Buonaguidi, B. Finite Horizon Sequential Detection with Exponential Penalty for the Delay. J Optim Theory Appl 198, 224–238 (2023). https://doi.org/10.1007/s10957-023-02239-8
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DOI: https://doi.org/10.1007/s10957-023-02239-8
Keywords
- Brownian motion
- Exponential penalty
- Finite horizon
- Optimal stopping
- Sequential analysis
- Sequential detection