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4chan user solves 25y.o. mathematics problem while discussing anime
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Date: November 18th, 2018 8:56 AM Author: Dashing Orchestra Pit Wagecucks (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37255951) |
Date: November 18th, 2018 8:58 AM Author: coiffed kitty I read that article. 180 duder. 140ish anime.
https://www.rt.com/news/442388-4chan-solution-math-problem/ |
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Date: November 18th, 2018 9:04 AM Author: Cerebral hall coldplay fan (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37255983) |
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Date: November 18th, 2018 10:26 AM Author: Slap-happy slippery space 180 anime (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256281) |
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Date: November 18th, 2018 10:23 AM Author: charismatic church idiot https://warosu.org/sci/thread/S3751105#p3751197
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Date: November 18th, 2018 10:28 AM Author: Angry native lol at this having a link (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256298) |
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Date: November 18th, 2018 10:43 AM Author: Ultramarine School Cafeteria (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256383) |
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Date: November 18th, 2018 10:29 AM Author: Ruddy spectacular locus fat ankles how many different ways can you arrange 14 items/numbers? that doesn't sound like a very complex problem? |
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Date: November 18th, 2018 10:33 AM Author: Rose Laughsome Elastic Band Cruise Ship it's not about finding all arrangements of 14 items (there are 14! of those), it's about finding the shortest list (each element of which is one of the 14 possibilities) which contains all 14! permutations within it as sub-lists of contiguous elements (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256327) |
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Date: November 18th, 2018 10:39 AM Author: Ruddy spectacular locus fat ankles oh i see what they're saying...
"Over lapping is allowed. For example, in the case of n=2, watching episode 1, then 2, then 1 again, would fit the criteria.
The orders must be continuous. For example, (1,2,1,3) does NOT contain the sequence (1,2,3)" |
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Date: November 18th, 2018 10:40 AM Author: crystalline exhilarant bawdyhouse Shortest and longest list (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256361) |
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Date: November 18th, 2018 10:43 AM Author: Rose Laughsome Elastic Band Cruise Ship you can easily make arbitrarily long ones (e.g. for n=2 do 11111111...1111121 with arbitrarily many 1s at the start), the exact length of the minimal string for any n is unknown but they give lower and upper bounds on it for n=14 in the article. the 4chan guy found a lower bound for all n and Greg Egan found an upper bound for all n (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256387) |
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Date: November 18th, 2018 10:38 AM Author: Angry native Now imagine you're an architect and it's 14 front doors. (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256350) |
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Date: November 18th, 2018 10:36 AM Author: bright area generalized bond 180 (http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256339) |
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Date: November 18th, 2018 10:46 AM Author: charismatic church idiot https://www.quantamagazine.org/sci-fi-writer-greg-egan-and-anonymous-math-whiz-advance-permutation-problem-20181105/
Contains a link to the actual paper. The first author credit is given to "Anonymous 4chan Poster".
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Date: November 18th, 2018 2:02 PM Author: Ruddy spectacular locus fat ankles this is why the male group compact of 'patriarchy'/monogamous marriage is inevitable. 'beta males' serve a useful function and advance human civilization. while women are just birdbrained walking baby incubators who get suckered into voting for open-borders by seditious jews. |