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math.CO2025
Improved Bounds for Codes over Trees
Yanzhi Li, Wenjie Zhong, Tingting Chen +1
Codes over trees were introduced recently to bridge graph theory and coding theory with diverse applications in computer science and beyond. A central challenge lies in determining…
math.CO2023
New constructions of signed difference sets
Zhiwen He, Tingting Chen, Gennian Ge
Signed difference sets have interesting applications in communications and coding theory. A -difference set in a finite group of order is a subset of with…
math.CO2020
Optimal Ternary Codes with Weight and Distance in -Metric
Xin Wei, Tingting Chen, Xiande Zhang
The study of constant-weight codes in -metric was motivated by the duplication-correcting problem for data storage in live DNA. It is interesting to determine the maximum s…