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What does the A2 singularity have in common with an octopus? 🐙

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If you have a question about this talk, please contact Alexis Marchand .

Bridgeland (2007) showed that the stability manifold of a Kleinian surface singularity is a Galois cover of the hyperplane complement of the same ADE type, thus adding another link in the network of ideas connecting algebraic geometry, homological algebra, representation theory, and geometric group theory. In this talk I will sketch some of these ideas, and exhibit a computation which adds marine biology to this network as promised in the title.

This talk is part of the Junior Geometry Seminar series.

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