The story
From self- + commutator.
Etymology from Wiktionary, CC BY-SA 4.0.
self-commutator
Today it means: Given a bounded linear operator B and its adjoint B^*, the self-commutator is B^*B-BB^*. Full definition →
Today it means: Given a bounded linear operator B and its adjoint B^*, the self-commutator is B^*B-BB^*. Full definition →
From self- + commutator.
Etymology from Wiktionary, CC BY-SA 4.0.