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cs.DS2025
On Solving Asymmetric Diagonally Dominant Linear Systems in Sublinear Time
Tsz Chiu Kwok, Zhewei Wei, Mingji Yang
We initiate a study of solving a row/column diagonally dominant (RDD/CDD) linear system in sublinear time, with the goal of estimating for a given vector $t\in…
cs.DS2025
PageRank Centrality in Directed Graphs with Bounded In-Degree
Mikkel Thorup, Hanzhi Wang, Zhewei Wei +1
We study the computational complexity of locally estimating a node's PageRank centrality in a directed graph . For any node , its PageRank centrality is defined as the…