[Topology.beta] no ctaaag, yes colloquium

[Rot, T.O. (Thomas)]

Dear all,

Not ctaaag tomorrow, but please come to the colloquium on Wednesday at 16:00.

Speaker: Panagiotis Konstantis

Title: GKM manifolds. At the crossroad of combinatorics, topology and geometry.

Abstract: GKM manifolds, named after Goresky, Kottwitz and MacPherson, are smooth manifolds with a certain torus action where the symmetries of this action can be encoded into a graph. There is a remarkable connection between the combinatorial data of the graph and properties of the manifold. We will try to explore, using examples, how these graphs arise from torus actions on certain manifolds and try to do understand how they determine topological and geometric data of the given manifold.

Best,
Thomas
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