3

Questions
votes newest views recent
3
8
votes
3
answers
861
views

Is an algebraic bijection from a projective variety to itself necessarily an isomorphism?

mar 2 10 at 18:56 damiano 3,887●8●17

5
10
votes
3
answers
285
views

Are the “identity object axioms” in the definition of a braided monoidal category needed? (Answered: No)

dec 19 09 at 14:45 Peter Tingley 503●2●8

3
8
votes
3
answers
800
views

Where can I find questions motivating important ideas in math?

oct 19 at 4:14 Ray Narayan 1●2