Tricki
a repository of mathematical know-how
Navigate
Tags
Search
Forums
Help
Tags
›
analysis
›
real analysis
Real analysis
Options
Include all descendant tags and articles
Child tags
There are no further child tags to display.
Articles
I
I have a problem about open or closed sets
M
Methods for approximating integrals
T
The tensor power trick
To construct exotic sets, use limiting arguments
To make a function nicer without changing it much, convolve it with an approximate delta function
To prove that a set is open or closed, use basic theorems rather than direct arguments
U
Use self-similarity to get a limit from an inferior or superior limit.
Use the implicit function theorem to prove smoothness
Search this site:
Username:
*
Password:
*
Create new account
Request new password
Recent articles
View a list of all articles.
Diagonal arguments
Finding an interval for rational numbers with a high denominator
Try to prove a stronger result
Use self-similarity to get a limit from an inferior or superior limit.
Prove a consequence first
Lower degree by increasing dimension (or vice-versa)
Numerical optimization
Numerical solution of partial differential equations
Active forum topics
Plenty of LaTeX errors
Tutorial
A different kind of article?
Countable but impredicative
Tricki Papers
more
Recent comments
Higher dimensional analogues
10 weeks 22 min
ago
Angela, I think you missed
1 year 32 weeks
ago
covering a disc
2 years 5 weeks
ago
Only if squares are of the
2 years 21 weeks
ago
Squares?
2 years 21 weeks
ago
more

10 weeks 22 minago1 year 32 weeksago2 years 5 weeksago2 years 21 weeksago2 years 21 weeksago