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I have a problem about open or closed sets 13/05/2009 - 22:28 11 years 36 weeks ago
To prove that a set is open or closed, use basic theorems rather than direct arguments 13/05/2009 - 22:48 11 years 37 weeks ago
To construct exotic sets, use limiting arguments 15/05/2009 - 13:32 11 years 36 weeks ago
Keep matrices in factored form 22/05/2009 - 13:02 11 years 35 weeks ago
To represent one object as combinations of another, try averaging the latter object using the symmetries of the former 22/05/2009 - 18:44 11 years 35 weeks ago
To construct a function with several local constraints, start with simple cases and build from there 24/05/2009 - 08:02 11 years 35 weeks ago
Order by property 25/05/2009 - 19:19 6 years 14 weeks ago
To increase the occurrence of a property in a set, try randomly refining that set in a way that favors the property 28/05/2009 - 17:02 11 years 34 weeks ago
Properties of groups 01/06/2009 - 00:56 11 years 34 weeks ago
How to determine whether a finitely presented group is finite 01/06/2009 - 20:44 11 years 34 weeks ago
Numerical solution of nonlinear equations 10/06/2009 - 12:45 10 years 51 weeks ago
To make a function less variable without changing it much, compare it with less variable functions 10/06/2009 - 18:36 11 years 32 weeks ago
When exhaustive search takes too long and a greedy algorithm is not optimal, consider Dynamic Programming 11/06/2009 - 19:26 11 years 33 weeks ago
Numerical solution of ordinary differential equations 20/06/2009 - 20:32 11 years 31 weeks ago
Functional analysis front page 21/06/2009 - 00:13 11 years 28 weeks ago
Discrete probability front page 25/06/2009 - 22:01 11 years 31 weeks ago
Entropy vs. energy 25/06/2009 - 22:13 10 years 36 weeks ago
Transform equation to reach a solved pattern 06/07/2009 - 17:42 11 years 23 weeks ago
Mapped Quadrature 20/07/2009 - 05:03 11 years 27 weeks ago
Numerical solution of partial differential equations 21/07/2009 - 20:15 10 years 40 weeks ago
Numerical optimization 08/09/2009 - 12:21 6 years 28 weeks ago
Lower degree by increasing dimension (or vice-versa) 11/10/2009 - 09:25 10 years 52 weeks ago
Prove a consequence first 21/03/2010 - 05:34 10 years 44 weeks ago
Use self-similarity to get a limit from an inferior or superior limit. 26/08/2010 - 11:52 10 years 22 weeks ago
Try to prove a stronger result 25/11/2011 - 01:27 9 years 9 weeks ago