2 papers
math.CO2023
Circular External Difference Families: Construction and Non-Existence
Huawei Wu, Jing Yang, Keqin Feng
The circular external difference family and its strong version, which themselves are of independent combinatorial interest, were proposed as variants of the difference family to co…
cs.IT2023
Arithmetic crosscorrelation of binary -sequences with coprime periods
Xiaoyan Jing, Keqin Feng
The arithmetic crosscorrelation of binary -sequences with coprime periods and \ () is determined. The result shows that the absolute valu…