Search Results for author: Zhangsong Li

Found 3 papers, 0 papers with code

The Umeyama algorithm for matching correlated Gaussian geometric models in the low-dimensional regime

no code implementations23 Feb 2024 Shuyang Gong, Zhangsong Li

For the low-dimensional regime where $d=O(\log n)$, Wang, Wu, Xu, and Yolou [WWXY22+] established the information thresholds for exact and almost exact recovery in matching correlated Gaussian geometric models.

A polynomial-time iterative algorithm for random graph matching with non-vanishing correlation

no code implementations1 Jun 2023 Jian Ding, Zhangsong Li

We propose an efficient algorithm for matching two correlated Erd\H{o}s--R\'enyi graphs with $n$ vertices whose edges are correlated through a latent vertex correspondence.

Graph Matching

A polynomial time iterative algorithm for matching Gaussian matrices with non-vanishing correlation

no code implementations28 Dec 2022 Jian Ding, Zhangsong Li

Motivated by the problem of matching vertices in two correlated Erd\H{o}s-R\'enyi graphs, we study the problem of matching two correlated Gaussian Wigner matrices.

Graph Matching

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