English

A universal property for sequential measurement

Operator Algebras 2016-10-12 v1 Quantum Algebra

Abstract

We study the sequential product, the operation pq=pqpp * q = \sqrt{p} q \sqrt{p} on the set of effects of a von Neumann algebra that represents sequential measurement of first pp and then qq. We give four axioms which completely determine the sequential product.

Keywords

Cite

@article{arxiv.1603.00410,
  title  = {A universal property for sequential measurement},
  author = {Abraham Westerbaan and Bas Westerbaan},
  journal= {arXiv preprint arXiv:1603.00410},
  year   = {2016}
}
R2 v1 2026-06-22T13:01:18.437Z