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# Documents  20G40 | enregistrements trouvés : 2

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## Multi angle  Quasisemisimple classes Michel, Jean (Auteur de la Conférence) | CIRM (Editeur )

This is a report on joint work with François Digne. Quasisemisimple elements are a generalisation of semisimple elements to disconnected reductive groups (or equivalently, to algebraic automorphisms of reductive groups). In the setting of reductive groups over an algebraically closed field, we discuss the classification of quasisemisimple classes, including isolated and quasi-isolated ones. The talk will start with the basic theory of non-connected reductive groups.
This is a report on joint work with François Digne. Quasisemisimple elements are a generalisation of semisimple elements to disconnected reductive groups (or equivalently, to algebraic automorphisms of reductive groups). In the setting of reductive groups over an algebraically closed field, we discuss the classification of quasisemisimple classes, including isolated and quasi-isolated ones. The talk will start with the basic theory of n...

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## Multi angle  Partial resolutions/deformations of diagonal invariants and representations of finite reductive groups Bonnafé, Cédric (Auteur de la Conférence) | CIRM (Editeur )

We present here a bunch of questions (but almost no answers...) about partial resolutions/deformations of varieties of the form $(V × V^∗)/W$, where $W$ is a complex reflection groups, which are inspired by analogies with the representation theory of finite reductive groups.
Joint work with Raphaël Rouquier.

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