Source: CEE
Predoctoral CEE students, Sampurna Datta, Da Li, Nicole Rockey, Shilva Shrestha and Zhengtian Xu, have received Rackham Predoctoral Fellowships from the Rackham Graduate School.
The Rackham Predoctoral Fellowship supports outstanding doctoral students who have achieved candidacy and are actively working on dissertation research and writing. The program seeks to support students working on dissertations that are unusually creative, ambitious and impactful. These fellowships are for three terms of full support to PhD students in their final phase of dissertation writing and research. Fellowships include a stipend and covered candidacy tuition and required fees for twelve months.
Xu’s research focuses on the proliferation of smartphones. Smartphones have catalyzed rapid growth of ride-sourcing services, such as Uber, Lyft and Didi Chuxing. Such on-demand e‑hailing services significantly reduce the meeting frictions between drivers and riders and endow the platform with unprecedented flexibilities and challenges in system management. Xu contributes to the ongoing quest of modeling, examining and managing the ride-sourcing services by concentrating on the supply state of the system. He aims to study the underlying physics behind the service operations, to understand the system behaviors under different strategies and policies, and to target the issues that can potentially undermine the system supply. Various control strategies are further proposed to guide and strengthen the supply management for ride-sourcing services in practice. Xu is advised by Professor Yafeng Yin.
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