Tricki
a repository of mathematical know-how
Navigate
Tags
Search
Forums
Help
Top level
›
Different kinds of Tricki article
›
Front pages for different areas of mathematics
›
Algebra front page
›
Ring theory front page
›
How to work without an identity element when you clearly need it
Articles linking to
If you don't have an identity element, a set of local units is more than enough
Decompose your ring using idempotents
How to work without an identity element when you clearly need it
Ring theory front page
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
I don't think this statement
30 weeks 1 day
ago
choice of the field
38 weeks 6 days
ago
Incorrect Image
39 weeks 6 days
ago
Article classification
1 year 17 weeks
ago
Higher dimensional analogues
1 year 37 weeks
ago
more

30 weeks 1 dayago38 weeks 6 daysago39 weeks 6 daysago1 year 17 weeksago1 year 37 weeksago