University of Cambridge > Talks.cam > Geometric Group Theory (GGT) Seminar > Profinite genus of HNN-extensions and free products with amalgamation.

  Browse A-Z

Log in

University Account External (via Google)

🔐 Log In

Information on

Subscribing to talksdetails Finding a talkdetails Adding a talkdetails Disseminating talksdetails Help and Documentationdetails

ℹī¸ Information

Profinite genus of HNN-extensions and free products with amalgamation.

Download to your calendar using vCal

  • UserPavel Zalesski (Brasilia)
  • ClockFriday 20 February 2026, 13:45-14:45
  • HouseMR13.

If you have a question about this talk, please contact Francesco Fournier-Facio .

I shall talk about the profinite genus of HNN -extensions with finite associated subgroups and of free products with finite amalgamation. Formulas for the genus and situations when this genus is 1 will be presented. The discussion will be extended to the class of finitely generated residually finite accessible groups.

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

This talk is included in these lists:

Note that ex-directory lists are not shown.

Other lists

AMET The obesity epidemic: Discussing the global health crisis Average on weekdays: 9033.74926254 kWh

Other talks

The Gardens of the Western Cape Title to be confirmed Title TBC Summer Cactus & Succulent Show Afternoon Break Afternoon Break
 

Š 2006-2025 Talks.cam, University of Cambridge. Contact Us | Help and Documentation | Privacy and Publicity