Tricki
a repository of mathematical know-how
Navigate
Tags
Search
Forums
Help
Tags
›
geometry
Geometry
Options
Include all descendant tags and articles
Child tags
3
3-manifolds
A
Algebraic topology
G
Geometric topology
Articles
3
3-manifolds front page
A
Algebraic topology front page
Approximating continuous structures by discrete structures
G
Geometric topology
Geometry and topology front page
H
Homological algebra front page
I
If you are looking for a disk, try to find a grope first
If your topological invariant takes integer values, they may well be homology classes in disguise
R
Recognize that the same object fits a pattern in two different ways
T
To simplify a closed subset of the plane, approximate it using a grid of squares
Search this site:
Username:
*
Password:
*
Create new account
Request new password
Recent articles
View a list of all articles.
Geometric view of Hölder's inequality
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
Active forum topics
Plenty of LaTeX errors
Tutorial
A different kind of article?
Countable but impredicative
Tricki Papers
more
Recent comments
Article classification
23 weeks 2 days
ago
Higher dimensional analogues
44 weeks 21 hours
ago
Angela, I think you missed
2 years 14 weeks
ago
covering a disc
2 years 39 weeks
ago
Only if squares are of the
3 years 3 weeks
ago
more

23 weeks 2 daysago44 weeks 21 hoursago2 years 14 weeksago2 years 39 weeksago3 years 3 weeksago