That’s a good question. Maybe we should bifurcate the problem till we know which branch is more fun. I’m guessing that one or both versions of the problem have been considered before, especially in the mathematical origami community. The question occurred to me as an offshoot of Jeannine Mosely’s upcoming talk at https://www.gathering4gardner.org/g4gs-celebration-of-mind-2020/. Jim Propp On Mon, Oct 19, 2020 at 1:24 AM <rcs@xmission.com> wrote:
What happens when the intersection of a fold line with the paper is disconnected? Does it count as multiple folds?
Rich
------- Quoting James Propp <jamespropp@gmail.com>:
How many folds are needed to turn a square piece of paper into a flat figure with k holes?
As an example, you can fold a square up into a long skinny rectangle like the wrapper a drinking straw comes in, and then bend that long skinny rectangle in lots of places to create lots of crossings (and lots of holes between the crossings).
I can show that asymptotically you can get k holes with something like constant times sqrt(k) folds, but I don't know if this is best possible.
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