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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
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Try to prove a stronger result
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Prove a consequence first
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