2 papers
math.CO2025
Quantitative Frameproof Codes and Hypergraphs
Wenjie Zhong, Xinqi Huang, Xiande Zhang
Frameproof codes are a class of secure codes introduced by Boneh and Shaw in the context of digital fingerprinting, and have been widely studied from a combinatorial point of view.…
math.CO2024
Focal-free uniform hypergraphs and codes
Xinqi Huang, Chong Shangguan, Xiande Zhang +1
Motivated by the study of a variant of sunflowers, Alon and Holzman recently introduced focal-free hypergraphs. In this paper, we show that there is an interesting connection betwe…