1. Stochastic Control and Stability for Queueing Networks in Random Environments Open Access Author: Zheng, Yi Title: Stochastic Control and Stability for Queueing Networks in Random Environments Graduate Program: Industrial Engineering (PHD) Keywords: multiclass many-server queuesHalfin-Whitt (QED) regimeservice interruptionsrenewal arrivalsalternating renewal processjump diffusionsdiscounted costergodic controlasymptotic optimalityMarkov modulated processfast regime switchingexponential ergodicityHamilton-Jacobi-Bellman (HJB) equationstable Markov optimal control File: Download Yi_Zheng_Dissertation.pdf Committee Members: Guodong Pang, Chair & Dissertation AdvisorSteven James Landry, Program Head/ChairLingzhou Xue, Outside Unit, Field & Minor MemberPaul Griffin, Major Field MemberEunhye Song, Major Field Member