Monogamy and polygamy relations of multiqubit entanglement based on unified entropy
Jin Zhi-Xiang1, †, Qiao Cong-Feng1, 2, ‡
       

The y denotes the upper bound of UEoA of |ψABC, which is a function of β. The red solid line represents the UEoA of |ψABC in inequality (14), blue dashed line represents the upper bound of inequality (30).