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Special Colloquium
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Anthony Conway, PMA 11.176: Locally flat surfaces in 4-manifolds
Tuesday, November 29, 2022, 03:30pm - 04:30pm
This talk is concerned with locally flat surfaces in 4-space, and instances where the topology of these surfaces is determined by algebraic data. We describe an unknotting theorem for surfaces in the 4-sphere, and how it follows from a more general classification of closed surfaces in 4-manifolds whose complement has fundamental group Z. We then discuss surfaces with boundary and classifications for other fundamental groups. Based on joint work with Lisa Piccirillo and Mark Powell.
Location: PMA 11.176

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