3 citations · 3 across the 2 of their papers we have counts for
2 papers
math.OC2026
On the SOS Rank of Simple and Diagonal Biquadratic Forms
Yi Xu, Chufeng Cui, Liqun Qi
We study the sum-of-squares (SOS) rank of simple and diagonal biquadratic forms. For simple biquadratic forms in variables, we show that the maximum SOS rank is exactl…
math.CO2016★ 3 cited
Computing The Analytic Connectivity of A Uniform Hypergraph
Chufeng Cui, Ziyan Luo, Liqun Qi +1
The analytic connectivity, proposed as a substitute of the algebraic connectivity in the setting of hypergraphs, is an important quantity in spectral hypergraph theory. The definit…