[Topology.beta] AG today

[Rot, T.O. (Thomas)]

Hi,

This is happening now

From: "Rot, T.O. (Thomas)" <t.o.rot at vu.nl>
Date: Monday, 6 November 2023 at 13:02
To: "_list_topology.beta" <topology.beta at listserver.vu.nl>
Cc: "Ran, I.I. (Iris)" <i.i.ran at vu.nl>, "Fusco, D. (Deborah)" <d.fusco at student.vu.nl>, Marcel Masqué <marcel.masques at gmail.com>, kabel abel <abel2000sok at gmail.com>
Subject: AG tomorrow

Dear all,

We have an external guest for the AG tomorrow. Please see the announcement below.

Hope to see you there!

Thomas

AG:7-11-2023 11:00 NU0A46 (Maryam): David O'Connel: Non-Hausdorff Differential Geometry
Abstract: In this talk we will introduce various aspects of non-Hausdorff manifolds, constructed from first principles. Typically, the Hausdorff property is included in the definition of a manifold for technical convenience, and the alternative may seem somewhat daunting: without the Hausdorff property we do not have access to partitions of unity in their full generality, and thus various structures may or may not exist in the non-Hausdorff case. However, as we will see, certain topological representations allow us to circumvent this issue and recreate differential geometry without the need of arbitrarily-existent partitions of unity. To illustrate this idea, we will start from the topology of non-Hausdorff manifolds and then introduce more and more structure of various interest, finally finishing with a proof of de Rham’s Theorem.

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