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NCTS Differential Geometry Seminar
 
11:00 - 12:00, February 12, 2025 (Wednesday)
Room 515, Cosmology Building, National Taiwan University + Cisco WebEx, Physical+Online Seminar
(實體+線上演講 台灣大學次震宇宙館515研討室+ Cisco WebEx)
Open Books in Higher Dimensions
Chun-Sheng Hsueh (Berlin Mathematical School)

Abstract
We study open book decompositions on manifolds of dimension at least 4 using handle decompositions. We use handle moves to relate different open books on the same manifold and show that an open book with trivial monodromy can be alternatively constructed using a simple page and a non-trivial monodromy. As an application, we provide infinitely many examples in all dimensions at least 5 of diffeomorphic open books constructed using the same page but non-isotopic monodromy maps.
 
Meeting number (access code): 2512 802 1688
Meeting password: DhPnypdq674
 
Organizers: Nicolau Sarquis Aiex (NTNU), Chung-Jun Tsai (NTU), Siao-Hao Guo (NTU)


 

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