3 papers
math.OC2026
Optimal Local Convergence Rates of Stochastic First-Order Methods under Local -PL
Saeed Masiha, Saber Salehkaleybar, Niao He +2
We study the local convergence rate of stochastic first-order methods under a local -Polyak-Lojasiewicz (-PL) condition in a neighborhood of a target connected component $\…
cs.SI2025
When Does Bottom-up Beat Top-down in Hierarchical Community Detection?
Maximilien Dreveton, Daichi Kuroda, Matthias Grossglauser +1
Hierarchical clustering of networks consists in finding a tree of communities, such that lower levels of the hierarchy reveal finer-grained community structures. There are two main…
cs.SI2024
Why the Metric Backbone Preserves Community Structure
Maximilien Dreveton, Charbel Chucri, Matthias Grossglauser +1
The metric backbone of a weighted graph is the union of all-pairs shortest paths. It is obtained by removing all edges that are not the shortest path between and . I…