MathOverflow is a question and answer site for professional mathematicians. Join them; it only takes a minute:

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

Jonah Sinick's question here, other interesting ideas he mentioned, and Franz Lemmermeyer's remark make one think at Bloch and Kato's drawing + question. What's known or guessed about that "land" by now and how would a new map look like?

share|cite|improve this question
Is this a question or a riddle? – Victor Protsak May 19 '10 at 18:58
Is that a question or a 'Catch (2pi*i)'? :)) – Thomas Riepe May 19 '10 at 19:10

Your Answer


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

Browse other questions tagged or ask your own question.