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Deficiency 1 groups and SQ universality

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  • UserJack Button (Cambridge)
  • ClockFriday 30 January 2026, 13:45-14:45
  • HouseMR13.

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

There has been much progress in the field of 1-relator groups recently, but 2-generator 1-relator groups sometimes seem to be the awkward case that gets left behind.

In this talk we will claim (possibly even providing evidence) that it can be useful instead to view 2-generator 1-relator groups within the family of deficiency 1 groups (groups with a presentation with the number of generators being one more than the number of relators).

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

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