The one-shot problem: Solution to an open question of finite-fuel singular control with discretionary stopping

Fuente: arXiv
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Main Authors: Moriarty, John, Rodosthenous, Neofytos
Format: Preprint
Published: 2024
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author Moriarty, John
Rodosthenous, Neofytos
author_facet Moriarty, John
Rodosthenous, Neofytos
contents We introduce a novel 'one-shot' solution technique resolving an open problem (Karatzas et al., Finite-fuel singular control with discretionary stopping, Stochastics 71:1-2 (2000)). Unexpectedly given the convexity of the latter problem, its waiting region is not necessarily connected. Along a typical sample path, the state process may even spend positive time in both of its connected components. The analysis reveals more generally that when fuel is limited, contrary to intuition, the solution without fuel is not necessarily indicative of the solution for small amounts of fuel. To resolve this, we recommend solving the `one-shot' problem, which is one of optimal stopping, prior to employing the usual `guess and verify' solution approach.
format Preprint
id arxiv_https___arxiv_org_abs_2411_04301
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The one-shot problem: Solution to an open question of finite-fuel singular control with discretionary stopping
Moriarty, John
Rodosthenous, Neofytos
Optimization and Control
93E20, 60G40 (Primary) 60J65 (Secondary)
We introduce a novel 'one-shot' solution technique resolving an open problem (Karatzas et al., Finite-fuel singular control with discretionary stopping, Stochastics 71:1-2 (2000)). Unexpectedly given the convexity of the latter problem, its waiting region is not necessarily connected. Along a typical sample path, the state process may even spend positive time in both of its connected components. The analysis reveals more generally that when fuel is limited, contrary to intuition, the solution without fuel is not necessarily indicative of the solution for small amounts of fuel. To resolve this, we recommend solving the `one-shot' problem, which is one of optimal stopping, prior to employing the usual `guess and verify' solution approach.
title The one-shot problem: Solution to an open question of finite-fuel singular control with discretionary stopping
topic Optimization and Control
93E20, 60G40 (Primary) 60J65 (Secondary)
url https://arxiv.org/abs/2411.04301