The story
Named after Shinsei Ryu and Tadashi Takayanagi, who jointly published the result in 2006.
Etymology from Wiktionary, CC BY-SA 4.0.
Ryu-Takayanagi conjecture
Today it means: A conjecture within holography that posits a quantitative relationship between the entanglement entropy of a conformal field theory and the geometry of an associated anti-de Sitter spacetime. Full definition →