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show/hide this revision's text 2 Updated to reflect solution to problem.

This is the Ehrenpreis Conjecture, and is still open.

Jeremy Kahn and Vlad Markovic have made some progress recently.

UPDATE: Kahn and Markovic have now announced a proof of the entire conjecture. See http://arxiv.org/abs/1101.1330

show/hide this revision's text 1

This is the Ehrenpreis Conjecture, and is still open.

Jeremy Kahn and Vlad Markovic have made some progress recently.