Tricki
a repository of mathematical know-how

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Article Created Updatedsort icon
Bundle a family of objects into a single 'universal' object 27/04/2009 - 18:29 4 years 3 weeks ago
Homotopy theory front page 28/04/2009 - 03:31 4 years 3 weeks ago
How to compute the fundamental group of a space 28/04/2009 - 03:44 4 years 3 weeks ago
Algebra front page 03/04/2009 - 22:19 4 years 3 weeks ago
Decompose your ring using idempotents 25/04/2009 - 00:29 4 years 3 weeks ago
How to use mathematical concepts and statements 05/12/2008 - 09:39 4 years 3 weeks ago
To calculate an infinite sum exactly, try antidifferencing 27/04/2009 - 22:23 4 years 3 weeks ago
Bounding the sum by an integral 27/04/2009 - 12:27 4 years 3 weeks ago
To understand an object, consider treating it as one of a family of objects and analysing the family 25/04/2009 - 18:39 4 years 4 weeks ago
Simplify your problem by generalizing it 26/04/2009 - 10:19 4 years 4 weeks ago
Clarify your problem by making it more abstract 26/04/2009 - 10:36 4 years 4 weeks ago
To compute covariance, use bilinearity 26/04/2009 - 03:52 4 years 4 weeks ago
Differential equations front page 24/04/2009 - 13:57 4 years 4 weeks ago
Wick-type rotations 22/04/2009 - 06:37 4 years 4 weeks ago
An Easy Way to Solve a Simple First Order Differential Equation 21/04/2009 - 20:41 4 years 4 weeks ago
If you don't have an identity element, a set of local units is more than enough 25/04/2009 - 00:48 4 years 4 weeks ago
To optimize a sum try making the terms roughly equal in size 24/04/2009 - 19:48 4 years 4 weeks ago
How does a bound of exp(c(log n)^{1/2}) ever arise? 15/12/2008 - 01:05 4 years 4 weeks ago
Add and subtract something nearby that is simpler 23/04/2009 - 00:27 4 years 4 weeks ago
To evaluate an integral, differentiate under the integral sign 24/04/2009 - 16:15 4 years 4 weeks ago
I have a problem to solve in real analysis 16/04/2009 - 13:07 4 years 4 weeks ago
How to prove from first principles that a function is Riemann integrable 24/04/2009 - 14:46 4 years 4 weeks ago
Bound by a Riemann sum 20/04/2009 - 22:52 4 years 4 weeks ago
Interchange integrals or sums 22/04/2009 - 23:26 4 years 4 weeks ago
Methods for approximating integrals 19/04/2009 - 23:09 4 years 4 weeks ago