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Jan 5, 2022 at 22:05 vote accept JHM
Jan 5, 2022 at 20:18 comment added JHM Wolpert (1983) is interesting, especially pp. 252. But I dont follow your argument that $6g-5$ is sharp. My problem with length functions is that they dont readily distinguish between left and right Nielsen twists. And the lengths are like convex functions in the Nielsen twist parameter, and non monotone.
Jan 5, 2022 at 16:41 history answered Alex Nolte CC BY-SA 4.0