User user2734 - MathOverflow

user2734

Member for 14 years, 4 months

Network profile

7 Questions

Score Activity Newest Views

23 votes

5 answers

5k views

To prove the Nullstellensatz, how can the general case of an arbitrary algebraically closed field be reduced to the easily-proved case of an uncountable algebraically closed field?

asked Feb 17, 2010 at 19:15

21 votes

5 answers

2k views

What is the motivation for maps of adjunctions?

asked Mar 1, 2010 at 10:49

14 votes

1 answer

1k views

If F is left adjoint to G, when does FG preserve limits? When do counits interchange with limits?

asked Mar 22, 2010 at 10:45

6 votes

2 answers

986 views

If G is monadic and the comparison functor is an equivalence that is not an isomorphism, does G create limits?

asked May 12, 2010 at 11:23

13 votes

1 answer

744 views

Is Top_4 (normal spaces) a reflective subcategory of Top_3 (regular spaces)?

asked Dec 21, 2009 at 20:41

10 votes

1 answer

718 views

What are the 'standard' applications of the duals of the adjoint functor theorems?

asked Mar 7, 2010 at 19:40

6 votes

1 answer

549 views

What is a reference for an explicit, logic-based, statement of duality in category theory (in ''complicated'' situations)? And what are the prerequisites for a beginner in logic?

asked Apr 4, 2010 at 21:59