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math.CO2023
Separating hash families with large universe
Xin Wei, Xiande Zhang, Gennian Ge
Separating hash families are useful combinatorial structures which generalize several well-studied objects in cryptography and coding theory. Let denote the maximum siz…
math.CO2023
Swap-Robust and Almost Supermagic Complete Graphs for Dynamical Distributed Storage
Xin Wei, Xiande Zhang, Gennian Ge
To prevent service time bottlenecks in distributed storage systems, the access balancing problem has been studied by designing almost supermagic edge labelings of certain graphs to…
math.CO2023★ 1 cited
On supersaturation for oddtown and eventown
Xin Wei, Yuhao Zhao, Xiande Zhang +1
We study the supersaturation problems of oddtown and eventown. Given a family of subsets of an element set, let denote the number of distinct pair…