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seen Mar 8 at 22:43

Feb
22
awarded  Scholar
Feb
22
accepted Lines in image; are they significant to prime numbers if so how?
Feb
19
revised Lines in image; are they significant to prime numbers if so how?
Tidy up. Slightly better 1st image as per suggestions.
Feb
18
comment Lines in image; are they significant to prime numbers if so how?
@WillSawin, I think I get the general idea but small correction; $P_{i}$/6 is not always $\pm1/3$ + some integer. Ex. 11/6 = 1+5/6.
Feb
18
comment Lines in image; are they significant to prime numbers if so how?
Hi @WillSawin. I want to accept this answer but your argument is not completely clear to me. Proof omitted, it's this?: For any prime number $P_{i}$, and some other +ve number d < $P_{i}$, there exists another number M < $P_{i}$ s.t. $P_{i}$/M = d + r where r element of $\pm{1/d,2/d,...,(d-1)/d}$. So for example for $P_{i}$=23, and d=4 we have 23/8 = 4-1/8. This leads to, where at say $\pi/2$ rads for each prime number there is only a small set of possible offsets from that vector the point can lie on $\pm{-1/4,-2/4-3/4,1/4,2/4,3/4}$, which gives the impression of a contour.
Feb
18
revised Lines in image; are they significant to prime numbers if so how?
added 113 characters in body
Feb
18
revised Lines in image; are they significant to prime numbers if so how?
added 301 characters in body
Feb
18
comment Lines in image; are they significant to prime numbers if so how?
@jmc I've uploaded the original image, and full code in PHP. I used gnuplot to do the initial plot then GIMP to apply the Gaussian smoothing. I'll try one with a bigger radius and upload if it turns out.
Feb
17
revised Lines in image; are they significant to prime numbers if so how?
added original image
Feb
17
awarded  Student
Feb
17
revised Lines in image; are they significant to prime numbers if so how?
added original image
Feb
17
asked Lines in image; are they significant to prime numbers if so how?
Sep
17
awarded  Teacher
Sep
17
comment Can one measure the infeasibility of four color proofs?
True it is O(1) in Big-O notation, but Big-O is not a very helpful measure of complexity in this example.
Sep
17
revised Can one measure the infeasibility of four color proofs?
I can comment?
Sep
16
revised Can one measure the infeasibility of four color proofs?
added 168 characters in body
Sep
16
awarded  Editor
Sep
16
revised Can one measure the infeasibility of four color proofs?
added 23 characters in body
Sep
16
answered Can one measure the infeasibility of four color proofs?