15

Questions
votes newest views recent
101
85
votes
42
answers
34k
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Magic trick based on deep mathematics

may 15 at 21:16 Amir Asghari 185●3●11

29
18
votes
25
answers
9k
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Most intricate and most beautiful structures in mathematics

jan 3 12 at 22:40 Andres Caicedo 14.4k●1●42●79

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55
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35
answers
8k
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Theorems with unexpected conclusions [closed]

jan 1 12 at 3:18 Andres Caicedo 14.4k●1●42●79

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39
votes
5
answers
4k
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Decidability of chess on an infinite board

feb 1 12 at 14:03 Joel David Hamkins 75.3k●7●187●343

7
35
votes
2
answers
1k
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Combinatorial interpretation of ${i\choose n}$, where $i^2=-1$

dec 15 at 23:41 Eric Naslund 3,870●14●34

2
9
votes
1
answer
988
views

Number of spanning trees of a quotient graph

jun 1 10 at 12:10 Gjergji Zaimi 37.5k●2●72●149

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25
votes
1
answer
898
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Density of values of polynomials in two variables

jan 18 at 20:35 Tim Browning 186●1●1

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13
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3
answers
849
views

Fairest way to choose gifts

sep 1 10 at 6:03 Gerry Myerson 15.7k●1●47●87

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12
votes
1
answer
674
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How many labelled disconnected simple graphs have n vertices and floor((n choose 2)/2) edges?

jan 27 10 at 5:54 Douglas Zare 13.2k●3●36●58

1
16
votes
2
answers
667
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Convex hull of lattice points in a circle

jun 29 at 2:12 Jan Kyncl 421●5

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