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285G, Lecture 6: Finite time extinction of the third homotopy group, II

In this lecture we discuss Perelman’s original approach to finite time extinction of the third homotopy group (Theorem 1 from the previous lecture), which, as previously discussed, can be combin… more →

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285G, Lecture 6: Finite time extinction of the third homotopy group, II — 5 comments

Terence Tao wrote 5 years ago: In this lecture we discuss Perelman’s original approach to finite time extinction of the third … more →

Tags: 285G - poincare conjecture, math.AP, math.DG, curvature, minimal disk, Perelman width, ramps, Ricci flow


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