fedja

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Name fedja
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Polynomial bijection from QxQ to Q?

apr 29 at 16:31 unknown (yahoo) 1

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Thinking and Explaining

jun 7 at 20:44 Gil Kalai 10.7k●6●80●144

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Polynomial representing all nonnegative integers

nov 26 10 at 0:44 George Lowther 9,408●1●24●44

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Best online mathematics videos?

jan 6 at 23:12 David Corwin 6,730●23●56

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Light rays bouncing in twisted tubes

dec 10 11 at 1:51 Joseph O'Rourke 43.1k●1●49●214

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Is it possible to capture a sphere in a knot?

feb 20 11 at 18:23 Anton Petrunin 16.4k●41●110

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Are there any very hard unknots?

may 13 at 11:09 Arnaud 178●5

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Free, high quality mathematical writing online? [closed]

jan 24 12 at 21:25 Leandro Vendramin 891●1●4●12

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Norms of Commutators

feb 13 12 at 0:36 Bill Johnson 14.3k●1●33●60

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How many cubes cover a bigger cube?

dec 23 10 at 20:10 J.C. Ottem 8,588●1●16●45

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