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a repository of mathematical know-how

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Article Created Updatedsort icon
Use the fact that the multiplicative group mod p is cyclic 21/01/2009 - 10:37 5 years 2 days ago
Finding subsets front page 02/01/2009 - 19:10 5 years 2 days ago
Impossibility and nonexistence front page 26/12/2008 - 12:02 5 years 2 days ago
How to use entropy 31/12/2008 - 18:45 5 years 2 days ago
Elementary number theory front page 23/03/2009 - 11:15 4 years 50 weeks ago
Use the fact that integers coprime to m have multiplicative inverses mod m 22/01/2009 - 14:38 4 years 50 weeks ago
Techniques for maximizing and minimizing 24/03/2009 - 15:24 4 years 50 weeks ago
How to use the continuum hypothesis 31/12/2008 - 18:52 4 years 50 weeks ago
Think about the converse 25/03/2009 - 11:13 4 years 50 weeks ago
Useful heuristic principles for guessing probabilistic estimates 15/12/2008 - 17:27 4 years 50 weeks ago
Why do power-type bounds arise? 23/02/2009 - 19:24 4 years 50 weeks ago
Mathematicians need to be metamathematicians 14/12/2008 - 15:15 4 years 49 weeks ago
Techniques for proving inequalities 10/12/2008 - 00:44 4 years 49 weeks ago
Condition on the first thing that happens 29/03/2009 - 14:38 4 years 49 weeks ago
Unusual choices of probability distribution 29/03/2009 - 21:37 4 years 49 weeks ago
Prove the result on a dense subset and then prove that the set where the result holds is closed 31/03/2009 - 10:00 4 years 49 weeks ago
Using generators and closure properties 22/01/2009 - 23:58 4 years 49 weeks ago
Prove the result on a delta-net first 31/03/2009 - 10:21 4 years 49 weeks ago
Make use of special cases and transitivity 29/03/2009 - 22:35 4 years 49 weeks ago
Finding algorithms front page 01/04/2009 - 07:22 4 years 49 weeks ago
Techniques for comparing sets and mathematical structures 02/04/2009 - 12:40 4 years 49 weeks ago
Cardinality, measure and category 02/04/2009 - 14:06 4 years 49 weeks ago
How to change "for all x there exists y" into "there exists y such that for all x" 18/12/2008 - 10:15 4 years 49 weeks ago
Invariants front page 03/04/2009 - 07:37 4 years 48 weeks ago
Stochastic processes front page 03/04/2009 - 21:10 4 years 48 weeks ago