MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Why do knot cobordisms result in functoriality with respect to knot homologies so often?

share|cite|improve this question
3  
mathoverflow.net/howtoask – Neil Strickland May 21 '13 at 11:32
3  
I think Neil is saying you should have some more backround information. Can you give some examples of this phenomenon? How did it arise in your work? You say often - can you explain some situations where it fails, and give your thoughts on how these situations are different? – Steven Gubkin May 21 '13 at 12:38

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.