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Answers
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4
Mathematical “urban legends”
2
Cool problems to impress students with group theory
2
Demonstrating that rigour is important
5
Refereeing a Paper
8
When and how is it appropriate for an undergraduate to email a professor out of the blue?
4
Teaching proofs in the era of Google
3
Why is it a good idea to study a ring by studying its modules?
2
Interesting applications (in pure mathematics) of first-year calculus
12
Rings in which every non-unit is a zero divisor
4
How to introduce notions of flat, projective and free modules?
2
What are the reasons for considering rings without identity?
2
Examples of badly behaved derivatives
4
Finite number of minimal ideals (2)
3
Fundamental groups of topological groups.
3
Group ring and left zero divisor.
4
Isomorphism between direct sum of modules
1
endomorphism ring of a finite-length module
11
Direct sum of injective modules over non-Noetherian rings
3
Terminology: Algebras where long strings of products are 0?
2
elementary classification of artinian rings
2
term for a “faithful” module
4
When is a topological group Hausdorff (separated)?