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I have a problem about open or closed sets 13/05/2009 - 23:28 12 years 13 weeks ago
To prove that a set is open or closed, use basic theorems rather than direct arguments 13/05/2009 - 23:48 12 years 13 weeks ago
To construct exotic sets, use limiting arguments 15/05/2009 - 14:32 12 years 13 weeks ago
Keep matrices in factored form 22/05/2009 - 14:02 12 years 12 weeks ago
To represent one object as combinations of another, try averaging the latter object using the symmetries of the former 22/05/2009 - 19:44 12 years 12 weeks ago
To construct a function with several local constraints, start with simple cases and build from there 24/05/2009 - 09:02 12 years 12 weeks ago
Order by property 25/05/2009 - 20:19 6 years 43 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 - 18:02 12 years 11 weeks ago
Properties of groups 01/06/2009 - 01:56 12 years 11 weeks ago
How to determine whether a finitely presented group is finite 01/06/2009 - 21:44 12 years 11 weeks ago
Numerical solution of nonlinear equations 10/06/2009 - 13:45 11 years 28 weeks ago
To make a function less variable without changing it much, compare it with less variable functions 10/06/2009 - 19:36 12 years 9 weeks ago
When exhaustive search takes too long and a greedy algorithm is not optimal, consider Dynamic Programming 11/06/2009 - 20:26 12 years 9 weeks ago
Numerical solution of ordinary differential equations 20/06/2009 - 21:32 12 years 8 weeks ago
Functional analysis front page 21/06/2009 - 01:13 12 years 4 weeks ago
Discrete probability front page 25/06/2009 - 23:01 12 years 7 weeks ago
Entropy vs. energy 25/06/2009 - 23:13 11 years 13 weeks ago
Transform equation to reach a solved pattern 06/07/2009 - 18:42 12 years 2 days ago
Mapped Quadrature 20/07/2009 - 06:03 12 years 4 weeks ago
Numerical solution of partial differential equations 21/07/2009 - 21:15 11 years 16 weeks ago
Numerical optimization 08/09/2009 - 13:21 7 years 4 weeks ago
Lower degree by increasing dimension (or vice-versa) 11/10/2009 - 10:25 11 years 28 weeks ago
Prove a consequence first 21/03/2010 - 06:34 11 years 21 weeks ago
Use self-similarity to get a limit from an inferior or superior limit. 26/08/2010 - 12:52 10 years 50 weeks ago
Try to prove a stronger result 25/11/2011 - 02:27 9 years 37 weeks ago