Quantum information
= Quantum information
{scope}
{title2=A16608W1}
Solutions to all three questions of the 15 June 2019 paper. https://www.whatdotheyknow.com/request/ba_computer_science_past_papers/response/2577745/attach/2/202402%20183%20CS%20Papers.zip?cookie_passthrough=1[Released Oxford examination archive], member `2018/T/a16608w1.pdf`. The dated cover establishes 2019 despite that archive directory. <Vectors> are columns; the first tensor factor is the first wire; and the rightmost gate in an operator product acts first. Measurements use the printed outcome labels. <Global phases> are identified physically, with the approximation convention made explicit in Question 3(a). All five source pages and all 27 terminal parts are covered.