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OP-8531Status unassessedGeometry and topology

More problems · Question 3.2

L2L^2 invariants and their relatives for finitely generated groups · Historical workshop question

Editorial mapping of AIMPL source category: Geometric group theory. http://aimpl.org/l2invariantsgroups/ Not an author-supplied MSC code.

Historical list · status unassessedAs of 2026-09-08Source & evidence ↓

Problem statement

Let Γ/Z2\Gamma/\mathbb{Z}_2 be a sofic group. Is Γ\Gamma sofic?

Lean 4

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Background

Workshop introduction

This problem list concerns the study of the asymptotic behavior of some natural invariants of finitely generated groups.

Progress & source assessment

Historical workshop record. Current open/solved status has not been independently reassessed.

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References
  1. [1]$L^2$ invariants and their relatives for finitely generated groups link

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