Recent progress towards the Putman-Wieland conjecture

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• Adam Klukowski, Oxford
• Friday 07 June 2024, 13:45-14:45
• MR13.

If you have a question about this talk, please contact Macarena Arenas.

Abelianisation of (non-sporadic) mapping clas groups is known to be finite. The Ivanov conjecture, open for more than 25 years, asks whether the same holds for finite-index subgroups of MCGs. I will review my recent work with Vlad Marković towards this question. I will mention a reformulation due to Putman-Wieland, Magnus embedding, and spectra of Riemann surfaces.

This talk is part of the Geometric Group Theory (GGT) Seminar series.

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