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a repository of mathematical know-how

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Article Created Updatedsort icon
Transfinite induction 02/01/2009 - 00:44 8 weeks 6 days ago
Geometric view of Hölder's inequality 15/10/2014 - 15:04 9 weeks 2 days ago
Order by property 25/05/2009 - 19:19 9 weeks 2 days ago
Numerical optimization 08/09/2009 - 12:21 22 weeks 3 days ago
Diagonal arguments 05/06/2014 - 00:28 28 weeks 2 days ago
How to use ultrafilters 25/01/2009 - 16:57 1 year 44 weeks ago
Finding an interval for rational numbers with a high denominator 23/12/2012 - 19:04 1 year 47 weeks ago
Control level sets 20/04/2009 - 23:20 2 years 6 weeks ago
Linearize the phase 22/04/2009 - 20:13 2 years 34 weeks ago
Elementary examples of invariants 03/04/2009 - 08:27 2 years 36 weeks ago
How to solve quadratic equations 16/12/2008 - 00:38 2 years 37 weeks ago
Extra logarithmic factors 15/12/2008 - 21:57 2 years 41 weeks ago
Partial summation 21/04/2009 - 22:53 2 years 42 weeks ago
Try to prove a stronger result 25/11/2011 - 01:27 3 years 3 weeks ago
Smoothing sums 06/02/2009 - 17:48 3 years 21 weeks ago
A non-trivial circular argument can often be usefully perturbed to a non-circular one 04/05/2009 - 23:30 3 years 46 weeks ago
Analytic number theory front page 05/04/2009 - 09:40 4 years 16 weeks ago
Use self-similarity to get a limit from an inferior or superior limit. 26/08/2010 - 11:52 4 years 16 weeks ago
Don't start from scratch 17/12/2008 - 00:52 4 years 17 weeks ago
How to use tensor products 17/04/2009 - 23:26 4 years 18 weeks ago
To simplify a closed subset of the plane, approximate it using a grid of squares 08/05/2009 - 11:46 4 years 20 weeks ago
Insert constraints into estimates and error terms 02/04/2009 - 19:07 4 years 21 weeks ago
Geometry and topology front page 19/04/2009 - 17:40 4 years 25 weeks ago
Think axiomatically even about concrete objects 26/04/2009 - 12:55 4 years 27 weeks ago
Entropy vs. energy 25/06/2009 - 22:13 4 years 31 weeks ago