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05 Kasım 2021, 17:00 
Mimar Sinan Güzel Sanatlar Üniversitesi Matematik Bölümü SeminerleriClassical and new plumbings bounding contractible manifolds and homology balls Oğuz Şavk A central problem in low-dimensional topology asks which homology 3-spheres bound contractible 4-manifolds and homology 4-balls. In this talk, we address this problem for plumbed 3-manifolds and we present the classical and new results together. Our approach is based on Mazur’s famous argument and its generalization which provides a unification of all results. Microsoft Teams msgu2 01.11.2021 |
