Greg Marks's user avatar
Greg Marks's user avatar
Greg Marks's user avatar
Greg Marks
  • Member for 13 years, 10 months
  • Last seen more than 2 years ago
69 votes

How does one justify funding for mathematics research?

17 votes

Rings in which every non-unit is a zero divisor

12 votes

Direct sum of injective modules over non-Noetherian rings

11 votes

Fundamental groups of topological groups.

11 votes

Refereeing a Paper

9 votes
Accepted

Isomorphism between direct sum of modules

9 votes

When and how is it appropriate for an undergraduate to email a professor out of the blue?

7 votes

Why is it a good idea to study a ring by studying its modules?

6 votes

Group ring and left zero divisor

6 votes

Examples of badly behaved derivatives

6 votes

How to introduce notions of flat, projective and free modules?

5 votes

Teaching proofs in the era of Google

5 votes

Interesting applications (in pure mathematics) of first-year calculus

5 votes

elementary classification of artinian rings

4 votes

Demonstrating that rigour is important

4 votes

Mathematical "urban legends"

4 votes

What are the reasons for considering rings without identity?

4 votes

When is a topological group Hausdorff (separated)?

4 votes

Subgroups of finite index of fields

3 votes

Finite number of minimal ideals

3 votes

Terminology: Algebras where long strings of products are 0?

2 votes

Finite number of minimal ideals

2 votes

Cool problems to impress students with group theory

2 votes

term for a "faithful" module

1 vote

endomorphism ring of a finite-length module

1 vote

Proof a Weyl Algebra isn't isomorphic to a matrix ring over a division ring