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How to solve cubic and quartic equations 29/04/2009 - 18:14 11 years 28 weeks ago
If you don't know how to make a decision, then don't make it 29/04/2009 - 18:20 11 years 39 weeks ago
If you are calculating an integral, complex substitutions are not forbidden 30/04/2009 - 09:14 5 years 28 weeks ago
Shift the contour of integration 30/04/2009 - 17:36 11 years 38 weeks ago
As a first approximation, neglect lower order terms 30/04/2009 - 18:02 11 years 39 weeks ago
To show that a group element is non-trivial, show that it has a non-trivial action or image 30/04/2009 - 18:31 11 years 37 weeks ago
If a parameter is generating undesirable boundary terms, try averaging over many choices of that parameter 30/04/2009 - 23:43 11 years 39 weeks ago
Complex analysis front page 01/05/2009 - 11:57 11 years 38 weeks ago
To calculate a contour integral, use theorems rather than direct calculation 01/05/2009 - 17:21 11 years 38 weeks ago
When controlling an oscillatory integral, bump functions and bounded phase corrections are not very important 01/05/2009 - 23:52 11 years 38 weeks ago
If your topological invariant takes integer values, they may well be homology classes in disguise 02/05/2009 - 08:25 11 years 37 weeks ago
Use the compactness and contradiction method to derive finitary quantitative results from infinitary qualitative ones 02/05/2009 - 18:30 11 years 38 weeks ago
How to solve problems about finite groups 03/05/2009 - 02:37 11 years 38 weeks ago
How to solve problems about discrete groups 03/05/2009 - 02:39 11 years 38 weeks ago
Modeling 04/05/2009 - 12:54 11 years 38 weeks ago
Dimensional correctness and scaling 04/05/2009 - 13:11 11 years 38 weeks ago
Applied mathematics 04/05/2009 - 13:27 11 years 38 weeks ago
Numerical analysis front page 04/05/2009 - 16:45 11 years 37 weeks ago
Use Occam's razor 04/05/2009 - 16:53 11 years 38 weeks ago
If an argument looks promising but needs a hypothesis, assume the hypothesis for now but try to remove it later 04/05/2009 - 20:41 11 years 38 weeks ago
A non-trivial circular argument can often be usefully perturbed to a non-circular one 04/05/2009 - 23:30 10 years 16 hours ago
Irrationality and transcendence front page 05/05/2009 - 09:44 11 years 38 weeks ago
To prove that a number is irrational, show that it is almost rational 05/05/2009 - 09:44 10 years 49 weeks ago
Numerical linear algebra 05/05/2009 - 12:46 11 years 35 weeks ago
Numerical integration and differentiation 05/05/2009 - 13:13 11 years 38 weeks ago