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Search options answers only not deleted user 1946

For questions seeking recommendations for online mathematics resources that are useful at a research level.

4 votes

Resource request on "$\in$-homomorphisms" in Set Theory

I believe that you may have misstated the definition of what it means to be an $\in$-homomorphism. (I couldn't find your notion in Jech at your links — have I missed it?) For example, with your defini …
Joel David Hamkins's user avatar
31 votes

What could be some potentially useful mathematical databases?

There are several natural examples from set theory. Here is a database on consequences of and equivalent formulations of the axiom of choice, which is searchable by keyword and axiom form, and which …
1 vote
Accepted

Resource request (probability theory, computability theory, algebra)

Here are a few areas of overlap for those research topics. Computable model theory is a nice overlap of computability theory and algebra, since one is looking at the nature of computably effective pr …
Joel David Hamkins's user avatar
47 votes

Is there a database for tracking the dependencies of mathematical theorems?

The reverse mathematics zoo, founded by Damir Dzhafarov and with recent development by Eric Astor, aims to be a database showing the relations and dependencies of mathematical theorems as described in …
Joel David Hamkins's user avatar