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Apr 4, 2018 at 12:28 history edited maddels CC BY-SA 3.0
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Apr 4, 2018 at 12:19 comment added maddels Thank you. My problem is that I am trying to use this example to understand things about what the field of definition is for points on the blow-up which lie above singular points on the original curve C, and for this reason I believe I need to blow up the subvariety as defined above as opposed to blowing up each point individually. I want the polynomial equations whose zero set defines the (two) points to have coefficients from the field $F_3$, so I want to blow both points up at once as opposed to blowing them up one by one.
Apr 4, 2018 at 11:10 answer added Sasha timeline score: 5
Apr 4, 2018 at 10:24 comment added Ali Caglayan You should be able to blow up at multiple points by blowing up each point separately. math.stackexchange.com/questions/97201/…
Apr 4, 2018 at 10:17 history asked maddels CC BY-SA 3.0