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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
Applying the probabilistic method 13/12/2008 - 12:01 12 years 12 weeks ago
Basic examples of groups 07/12/2008 - 16:03 12 years 11 weeks ago
New groups from old 25/04/2009 - 00:35 12 years 11 weeks ago
How to use martingales 29/03/2009 - 22:41 12 years 11 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
How to find groups with given properties 07/12/2008 - 16:10 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
Group theory front page 24/03/2009 - 15:47 12 years 11 weeks ago
Universal constructions 08/12/2008 - 14:50 12 years 10 weeks ago
Approximating functions by better behaved functions 06/05/2009 - 18:48 12 years 9 weeks ago
To make a function nicer without changing it much, convolve it with an approximate delta function 06/05/2009 - 12:57 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
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
How to use group actions 16/04/2009 - 17:26 12 years 9 weeks ago
Numerical solution of ordinary differential equations 20/06/2009 - 21:32 12 years 8 weeks ago
Discrete probability front page 25/06/2009 - 23:01 12 years 7 weeks ago
Equation-solving front page 16/12/2008 - 01:34 12 years 6 weeks ago
How to solve cubic and quartic equations 29/04/2009 - 19:14 12 years 4 weeks ago
Functional analysis front page 21/06/2009 - 01:13 12 years 4 weeks ago
A good way of proving that a set is countable 05/12/2008 - 23:14 12 years 4 weeks ago
If you are getting stuck, then try to prove rigorously that your approach cannot work 04/01/2009 - 21:15 12 years 4 weeks ago
Mapped Quadrature 20/07/2009 - 06:03 12 years 4 weeks ago