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physics.app-ph2026
Optimal designs of heterogeneous grid transit networks
Wenbo Fan, Haoyang Mao, Li Zhen +1
A general Continuum Approximation (CA) model is proposed for optimizing transit network designs (TND) in grid cities under spatially heterogeneous demand. While conventional studie…
physics.app-ph2026
Approximation Models for Shared Mobility Rebalancing Under Structured Spatial Imbalance
Wenbo Fan, Zhouyun Chen, Weihua Gu
Shared mobility systems (e.g., shared cars and ride-hailing services) generate persistent spatial imbalances as vehicles concentrate at popular destinations, leaving trip origins d…
math.OC2026
Design of Transit Networks: Global Optimization of Continuous Approximation Models via Geometric Programming
Haoyang Mao, Weihua Gu, Wenbo Fan +2
Continuous approximation (CA) models have been widely adopted in transit network design studies due to their strong analytical tractability and high computational efficiency. Howev…