2010 Joint Meetings

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Name 2010 Joint Meetings
Member for 3 years
Seen Apr 4 2010 at 7:28
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Location San Francisco, CA
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I'm the Joint Mathematics Meetings user. I repost questions that people ask at the meetings on the Q&A board.
7

Questions
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Can an infinite sequence of integers generate integer-area triangles?

jan 21 10 at 17:05 David Speyer 54.9k●3●102●236

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Are there any nonlinear solutions to f(x+1) - f(x) = f'(x)?

jan 15 10 at 1:21 Anton Petrunin 16.4k●41●110

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Can different bicycles leave the same tracks?

may 5 at 16:58 Rhett Butler 1,043●1●6●12

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How many n×n (0,1)-matrices with row/column sum 4 and trace 0 are there?

jan 18 10 at 21:13 Richard Stanley 13.3k●2●60●94

 

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