487 citations
- National University of SingaporeSG147 papers
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- University of MissouriUS11 papers
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5 papers · 1 filter
From sparse to dense and from assortative to disassortative in online social networks
Menghui Li, Shuguang Guan, Chensheng Wu +5
Inspired by the analysis of several empirical online social networks, we propose a simple reaction-diffusion-like coevolving model, in which individuals are activated to create lin…
Topological Hochschild homology and the Bass trace conjecture
A. J. Berrick, Lars Hesselholt
We use the methods of topological Hochschild homology to shed new light on the groups satisfying the Bass trace conjecture. We show that the factorization of the Hattori-Stallings…
Face numbers of Engström representations of matroids
Steven Klee, Matthew T. Stamps
A classic problem in matroid theory is to find subspace arrangements, specifically hyperplane and pseudosphere arrangements, whose intersection posets are isomorphic to a prescribe…
Optimal error regions for quantum state estimation
Jiangwei Shang, Hui Khoon Ng, Arun Sehrawat +2
Rather than point estimators, states of a quantum system that represent one's best guess for the given data, we consider optimal regions of estimators. As the natural counterpart o…
Spectral Anlysis on Explosive Percolation
Ning Ning Chung, Lock Yue Chew, Choy Heng Lai
We study the spectral properties of the process of explosive percolation. In particular, we explore how the maximum eigenvalue of the adjacency matrix of a network which governs th…