requires some formal math training to understand |
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Last post |
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An inequality |
acarchau |
2 |
1060 |
Dec 15th, 2008, 3:30am by ThudnBlunder |
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Sum of integers whose reciprocals sum to 1 |
Michael Dagg |
4 |
7071 |
Dec 10th, 2008, 12:50am by towr |
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Number of skew polyominos |
howard roark |
9 |
4943 |
Dec 10th, 2008, 12:34am by towr |
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A Beastly Number |
ThudnBlunder |
14 |
1801 |
Dec 9th, 2008, 5:32pm by Eigenray |
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tough number theory prob. « Pages 1
2 » |
LeoYard |
26 |
2965 |
Nov 7th, 2008, 12:23pm by Michael Dagg |
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help with a putnam question |
sarah9 |
2 |
4120 |
Nov 6th, 2008, 2:02pm by Eigenray |
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Cubic Diophantine Equation |
Barukh |
9 |
1472 |
Nov 4th, 2008, 11:11pm by Eigenray |
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Dice sum divisibility |
Eigenray |
6 |
2962 |
Oct 17th, 2008, 9:46am by william wu |
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Proving Primality like Euler |
Barukh |
5 |
1189 |
Sep 27th, 2008, 1:35am by Eigenray |
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Can one connected set pass through another? |
ecoist |
8 |
1071 |
Sep 26th, 2008, 3:13pm by Hippo |
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Number problem « Pages 1
2 » |
NightBreeze |
26 |
2633 |
Sep 25th, 2008, 1:56pm by NightBreeze |
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for prime >3, sum_k=1^(p-1) 1 over k =0 mod p^2 |
4butipul2maro |
2 |
1015 |
Sep 18th, 2008, 2:33pm by Eigenray |
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Complete set |
wonderful |
2 |
1200 |
Sep 16th, 2008, 4:09pm by wonderful |
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(tanA)(tanB)(tanC) |
ThudnBlunder |
4 |
9962 |
Aug 30th, 2008, 6:05am by l4z3r |
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Integral Solutions |
l4z3r |
6 |
1361 |
Aug 30th, 2008, 5:34am by l4z3r |
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Limit of Integral |
ThudnBlunder |
2 |
745 |
Aug 7th, 2008, 10:04am by Eigenray |
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Limit of a Combinatorial Sum |
Michael Dagg |
2 |
782 |
Aug 2nd, 2008, 8:38pm by Michael Dagg |
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Inequality |
ThudnBlunder |
2 |
679 |
Jul 13th, 2008, 3:02pm by Eigenray |
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Cubic Congruences |
ThudnBlunder |
3 |
699 |
Jul 12th, 2008, 2:37pm by Eigenray |
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Interesting inequality |
wonderful |
12 |
1220 |
Jul 4th, 2008, 2:26pm by wonderful |
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Odd integration problem |
NightBreeze |
2 |
805 |
Jun 24th, 2008, 10:03am by NightBreeze |
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Prime power moments |
Aryabhatta |
10 |
1012 |
Jun 20th, 2008, 2:38pm by Obob |
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Barely compatible gatherings |
ecoist |
4 |
1036 |
Jun 9th, 2008, 2:50pm by ecoist |
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Proving Stokes' Theorem |
Marissa |
3 |
4298 |
May 5th, 2008, 6:37pm by Eigenray |
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SIGMAarctan(2/n^2) |
ThudnBlunder |
7 |
1632 |
May 21st, 2008, 3:59am by william wu |
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Sinc(x) |
ThudnBlunder |
3 |
4613 |
May 20th, 2008, 1:44pm by william wu |
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Common Eigenvector Condition |
william wu |
9 |
5232 |
May 19th, 2008, 1:08pm by william wu |
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Summation |
ThudnBlunder |
10 |
1583 |
May 11th, 2008, 10:04am by towr |
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matrix |
temporary |
24 |
1900 |
Apr 24th, 2008, 7:42pm by Michael Dagg |
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Help with an Arithmetic/algebra equation game |
uzo |
2 |
3382 |
Apr 6th, 2008, 7:18am by towr |
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