2 papers
cs.IT2019
Construction of three classes of Strictly Optimal Frequency-Hopping Sequence Sets
Yi Ouyang, Xianhong Xie, Honggang Hu +1
In this paper, we construct three classes of strictly optimal frequency-hopping sequence (FHS) sets with respect to partial Hamming correlation and family size. The first class is…
math.NT1999
Group cohomology of universal ordinary distribution
Yi Ouyang
For any odd squarefree integer r, we get complete description of the G_r=Gal(Q(mu_r)/Q) group cohomology of the universal ordinary distribution U_r in this paper. Moreover, if M is…