1. Matching Spatially Diversified Suppliers with Random Demands Liu, Zhe 2019 Theses Operations researchBusiness logisticsSupply and demandRevenue managementRidesharing--Mathematical models
2. Higgs and Particle Production in Nucleus-Nucleus Collisions Liu, Zhe 2015 Theses Theoretical physicsGluonsParticles (Nuclear physics)Higgs bosonsPhysics