2021 (source code)

= 2021
{scope}
{title2=C2.6}
{title2=A15253W1}

Solutions to all three questions of the <Introduction to schemes course of the University of Oxford>, Part C, sat on 1 June 2021. Source: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/9/Physics%20Papers%202020.pdf?cookie_passthrough=1#page=103[Oxford's released examination PDF, compilation pages 103–106; paper pages 1–4]. The original question and letter labels are retained; the paper has no Roman subparts. The correction to the printed closed-subset description in 1(b), and the meaning of the comparison of <structure sheaves> in 1(c), are explained where they arise.