Tricki
a repository of mathematical know-how

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Articlesort icon Created Updated
Invariants front page 03/04/2009 - 08:37 11 years 20 weeks ago
Interpolation and approximation 07/05/2009 - 12:50 11 years 15 weeks ago
Interchange integrals or sums 22/04/2009 - 23:26 11 years 17 weeks ago
Integration by parts 22/04/2009 - 20:04 11 years 18 weeks ago
Insert constraints into estimates and error terms 02/04/2009 - 20:07 10 years 5 weeks ago
Induction front page 02/01/2009 - 01:20 11 years 16 weeks ago
Improving a subgroup of finite index by intersecting 19/04/2009 - 16:56 11 years 18 weeks ago
Impossibility and nonexistence front page 26/12/2008 - 13:02 11 years 24 weeks ago
If your topological invariant takes integer values, they may well be homology classes in disguise 02/05/2009 - 09:25 11 years 15 weeks ago
If your problem can be expressed in terms of convolutions and inner products then take the Fourier transform 22/04/2009 - 09:58 11 years 18 weeks ago
If you want to calculate an infinite sum exactly, relate it to coefficients associated with some function 27/04/2009 - 17:03 11 years 16 weeks ago
If you don't know how to make a decision, then don't make it 29/04/2009 - 19:20 11 years 16 weeks ago
If you don't have an identity element, a set of local units is more than enough 25/04/2009 - 00:48 11 years 17 weeks ago
If you are looking for a disk, try to find a grope first 20/04/2009 - 04:55 11 years 18 weeks ago
If you are getting stuck, then try to prove rigorously that your approach cannot work 04/01/2009 - 21:15 11 years 5 weeks ago
If you are calculating an integral, complex substitutions are not forbidden 30/04/2009 - 10:14 5 years 5 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 - 21:41 11 years 16 weeks ago
If a parameter is generating undesirable boundary terms, try averaging over many choices of that parameter 01/05/2009 - 00:43 11 years 16 weeks ago
I want to find surgery presentation for a knot or link corresponding to a Seifert surface 19/04/2009 - 06:11 11 years 18 weeks ago
I want to find a non-trivial solution to a system of equations 09/05/2009 - 18:27 11 years 15 weeks ago
I need to find a real number with a certain property 18/04/2009 - 17:22 11 years 18 weeks ago
I have a problem to solve in real analysis and I do not believe that a fundamental idea is needed 17/04/2009 - 13:56 11 years 18 weeks ago
I have a problem to solve in real analysis 16/04/2009 - 13:07 11 years 17 weeks ago
I have a problem about the convergence of a sequence 17/04/2009 - 00:13 11 years 16 weeks ago
I have a problem about open or closed sets 13/05/2009 - 23:28 11 years 14 weeks ago