Self-adjoint algebras of bounded linear operators on a Hilbert space, closed in the weak operator topology, were introduced in 1929 by von Neumann in a paper in Mathematische Annalen . Kadison explains in:
Self-adjoint algebras ng bounded sa guhit operator sa isang Hilbert space, sarado sa mahina operator topology, ay ipinakilala sa 1929 by von Neumann sa isang papel sa Mathematische Annalen. Kadison nagpapaliwanag sa: