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Answer by Robert Israel for Set $N$ points on plane by intersecting as few...
There are too many cases here, so I'll just look at one of the most basic: question (1) with $N$ points in general position, conics, and no additional constraints. So any 5 of the points will determine...
View ArticleAnswer by Henry for Set $N$ points on plane by intersecting as few lines /...
In the straight line case, in general each line will pass through at most two points if no three are collinear, and each point needs at least two lines, so you need as many lines as points (the...
View ArticleSet $N$ points on plane by intersecting as few lines / conics as possible
I have several connected questions. In short form, I want to set N points on plane by intersecting as few lines/circles/conics as possible. Given $N$ points on 2D plane, how many straight lines and/or...
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