Author

Fan Pu

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Preprint Oct 2026

An Exact Branch-Price-and-Cut Algorithm for a Truck-as-Hub Vehicle Routing Problem with Drones

Rural last-mile logistics remains challenging because of sparse demand, limited road infrastructure, and long travel distances. We study a Truck-as-Hub Vehicle Routing Problem with Drones in Rural Areas, in which multiple trucks each carry a dedicated fleet of drones. Drone launch and retrieval are restricted to predes...

Fan Pu, Sivakumar Rathinam, Yun-Long Zhang et al. · 0 citations

Preprint Oct 2026

Training-Free Multi-Agent Cooperative Embodied Search from Uncertain Vision-Language Priors

Real-world Vision-Language Navigation (VLN) requires agents to act under partial observability, where map structure, semantic cues, and target locations may be incomplete or incorrectly inferred by foundation models. This paper presents a lightweight, training-free, and uncertainty-aware framework for cooperative multi...

Fan Pu, Keshu Wu, Ji-Wan Jiang et al. · 0 citations