I am a proud and early adopter of MathOverflow.net … user number 9 in order of sign-up 🙂

My top answers:

Why are flat morphisms flat?

Why do groups and abelian groups feel so different?

What is a section?

What is an intuitive view of adjoints?

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

Questions I want better answers for:

Is being torsion a local property of module elements?

What does primary decomposition of modules mean geometrically?

My user page displays a complete list of questions and answers I’ve contributed.