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stat.ML2025
Rate-optimal community detection near the KS threshold via node-robust algorithms
Jingqiu Ding, Yiding Hua, Kasper Lindberg +2
We study community detection in the \emph{symmetric -stochastic block model}, where nodes are evenly partitioned into clusters with intra- and inter-cluster connection p…
cs.DS2025
Improved Robust Estimation for Erdős-Rényi Graphs: The Sparse Regime and Optimal Breakdown Point
Hongjie Chen, Jingqiu Ding, Yiding Hua +1
We study the problem of robustly estimating the edge density of Erdős-Rényi random graphs when an adversary can arbitrarily add or remove edges incident to an …
cs.CC2025
Low degree conjecture implies sharp computational thresholds in stochastic block model
Jingqiu Ding, Yiding Hua, Lucas Slot +1
We investigate implications of the (extended) low-degree conjecture (recently formalized in [MW23]) in the context of the symmetric stochastic block model. Assuming the conjecture…