1. Adaptive Aggregation and Signal Processing on Graphs Open Access Author: Xu, Wenfang Title: Adaptive Aggregation and Signal Processing on Graphs Graduate Program: Mathematics Keywords: graph Laplaciangraph aggregationmultilevel hierarchyhypercircle error estimatessignals on graphsgraph filter File: Download WenfangXu-Dissertation.pdf Committee Members: Ludmil Tomov Zikatanov, Dissertation Advisor/Co-AdvisorJinchao Xu, Committee Chair/Co-ChairChun Liu, Committee MemberKatherine Yoder Zipp, Committee MemberKatherine Yoder Zipp, Outside Member