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 '10 at 19:15
What is the motivation for maps of adjunctions?
asked Mar 1 '10 at 10:49
If F is left adjoint to G, when does FG preserve limits? When do counits interchange with limits?
asked Mar 22 '10 at 10:45
What are the 'standard' applications of the duals of the adjoint functor theorems?
asked Mar 7 '10 at 19:40
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 '10 at 21:59
Why is Top_4 a reflective subcategory of Top_3?
asked Dec 21 '09 at 20:41
What are some examples of colorful language in serious mathematics papers?
Looking for an introductory textbook on algebraic geometry for an undergraduate lecture course
Your favorite surprising connections in Mathematics
What are interesting families of subsets of a given set?
Various concepts of “closure” or “completion” in mathematics