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I have a problem about integration 23/04/2009 - 00:02 1 day 7 hours ago
If you are calculating an integral, complex substitutions are not forbidden 30/04/2009 - 10:14 1 day 7 hours ago
Bijections and counting 21/04/2009 - 15:56 9 weeks 6 days ago
Transfinite induction 02/01/2009 - 01:44 38 weeks 5 days ago
Geometric view of Hölder's inequality 15/10/2014 - 16:04 39 weeks 1 day ago
Order by property 25/05/2009 - 20:19 39 weeks 1 day ago
Numerical optimization 08/09/2009 - 13:21 1 year 1 day ago
Diagonal arguments 05/06/2014 - 01:28 1 year 5 weeks ago
How to use ultrafilters 25/01/2009 - 17:57 2 years 22 weeks ago
Finding an interval for rational numbers with a high denominator 23/12/2012 - 20:04 2 years 25 weeks ago
Control level sets 21/04/2009 - 00:20 2 years 36 weeks ago
Linearize the phase 22/04/2009 - 21:13 3 years 12 weeks ago
Elementary examples of invariants 03/04/2009 - 09:27 3 years 14 weeks ago
How to solve quadratic equations 16/12/2008 - 01:38 3 years 15 weeks ago
Extra logarithmic factors 15/12/2008 - 22:57 3 years 19 weeks ago
Partial summation 21/04/2009 - 23:53 3 years 20 weeks ago
Try to prove a stronger result 25/11/2011 - 02:27 3 years 33 weeks ago
Smoothing sums 06/02/2009 - 18:48 3 years 51 weeks ago
A non-trivial circular argument can often be usefully perturbed to a non-circular one 05/05/2009 - 00:30 4 years 24 weeks ago
Analytic number theory front page 05/04/2009 - 10:40 4 years 46 weeks ago
Use self-similarity to get a limit from an inferior or superior limit. 26/08/2010 - 12:52 4 years 46 weeks ago
Don't start from scratch 17/12/2008 - 01:52 4 years 47 weeks ago
How to use tensor products 18/04/2009 - 00:26 4 years 48 weeks ago
To simplify a closed subset of the plane, approximate it using a grid of squares 08/05/2009 - 12:46 4 years 50 weeks ago
Insert constraints into estimates and error terms 02/04/2009 - 20:07 4 years 51 weeks ago