There exist infinitely many kinds of partial separability/entanglement

Kil-Chan Ha, Kyung Hoon Han, Seung-Hyeok Kye

In tri-partite systems, there are three basic biseparability, $A$-$BC$, $B$-$CA$ and $C$-$AB$ biseparability according to bipartitions of local systems. We begin with three convex…