Transformations among Pure Multipartite Entangled States via Local Operations are Almost Never Possible
David Sauerwein, Nolan R. Wallach, Gilad Gour, Barbara Kraus · Physical Review X · 2018
A comprehensive characterization of ``local operations assisted by classical communication'' shows that pure multipartite entangled states cannot be transformed into other similar states, an important insight in entanglement theory.