3 papers
cs.DS2025
Sampling permutations satisfying constraints within the lopsided local lemma regime
Kun He, Guoliang Qiu, Xiaoming Sun
Sampling a random permutation with restricted positions, or equivalently approximating the permanent of a 0-1 matrix, is a fundamental problem in computer science, with several not…
cs.SI2025
A Thorough Comparison Between Independent Cascade and Susceptible-Infected-Recovered Models
Panfeng Liu, Guoliang Qiu, Biaoshuai Tao +1
We study cascades in social networks with the independent cascade (IC) model and the Susceptible-Infected-recovered (SIR) model. The well-studied IC model fails to capture the feat…
cs.DS2024
FPTAS for Holant Problems with Log-Concave Signatures
Kun He, Zhidan Li, Guoliang Qiu +1
For an integer , a -matching in a graph is a set such that each vertex is incident to at most edges in . We design a fully polyn…