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Speaker:
Motoo Tange
Affiliation:
University of Tsukuba
Date:
Thu, 20/10/2016 - 16:30 - 17:00
Location:
MPIM Lecture Hall
Parent event:
Conference on 4-manifolds and knot concordance Cork twist is a 4-dimensional surgery by a contractible submanifold. This twist is a significant objet in terms of which any exotic pair is related by a cork wist each other. In this talk I will explain some corks (with finite order or infinite order) and show that some infinite exotic families are not related by any infinite order cork.
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