Entanglement map · Established

A measure must not increase under local operations

Proved, with a source.

Vidal characterised the functions that do not increase on average under LOCC. For bipartite pure states, a single number is not enough to capture everything about single-copy conversion.

Connections

• Part of: Measures
• See also: Majorization decides single-copy pure state conversion

Sources

• Entanglement monotones. G. Vidal, 1998.

Checked 2026-10-30.