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Oct 14, 2017 at 17:34 history closed Will Jagy
Chris Godsil
abx
Stefan Waldmann
Stefan Kohl
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Oct 14, 2017 at 11:39 vote accept jdaw1
Oct 14, 2017 at 9:44 comment added jdaw1 Image at jdawiseman.com/2017/20171014_circle_stacking_puzzle.png
Oct 14, 2017 at 9:26 comment added jdaw1 Bottom row is ➊ ➋ ➌. Next row is ➍ ➎. Top is just ➏.
Oct 14, 2017 at 5:51 comment added Gerry Myerson I think you'd be interested in Burkard Polster, Stacking wine bottles revisited, Math Intelligencer 37.2 (2015) 43-51, repreinted in Mircea Pitici, Ed., The Best Writing on Mathematics 2016, Princeton U Press, 48-65.
Oct 14, 2017 at 3:13 answer added Zach Teitler timeline score: 0
Oct 14, 2017 at 0:34 comment added David G. Stork Could you sketch a figure? I cannot see how circle 5 can touch 2 and 3 given 4 is atop 1 & 2. And do you mean circle or disk? And must 4, 5 and 6 have centers along the $x$ axis?
Oct 14, 2017 at 0:11 review Close votes
Oct 14, 2017 at 17:34
Oct 13, 2017 at 23:49 history asked jdaw1 CC BY-SA 3.0