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Author

Hao-Long Lu

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2 papers indexed here

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Preprint Sep 2026

An FPTAS for Two-Machine Open-Shop Scheduling with a Single Unavailability Interval

We consider the two-machine open-shop scheduling problem in which one machine is unavailable during a fixed interval. We study the resumable setting: an operation interrupted by the unavailability interval may resume, without penalty, when the machine becomes available. The objective is to minimize the makespan. Althou...

Hao-Long Lu, Yuan Yuan, Xingwu Liu et al. · 0 citations
Preprint Sep 2026

Two-Machine Flow Shop with a Fixed Non-Availability Interval on the Second Machine

This paper investigates a two-machine permutation flow shop in which the second machine is unavailable during one fixed interval $[s,t]$. We consider the non-resumable setting: an operation interrupted by the interval must restart from the beginning after the machine becomes available. The objective is to minimize the...

Hao-Long Lu, Yuan Yuan, Xingwu Liu et al. · 0 citations

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