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Hartmut Schwetlick

2007-05-25
10:30:00 - 11:20:00

308 , Mathematics Research Center Building (ori. New Math. Bldg.)

I shall discuss a Harnack type estimate for geometric heat equations that were initiated by Li and Yau. This type of estimates plays a crucial role in the proof of Poincare conjecture through the Hamilton-Perelman theory of Ricci flow. I aim to give a general talk that is accessible to a good undergraduate student. But I shall write down equations and derive estimates.