<p>We characterise when a rank <i>n</i> generalised Baumslag–Solitar group is CAT(0) and when it is biautomatic.</p>

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Higher-rank GBS groups: non-positive curvature and biautomaticity

  • Sam Shepherd,
  • Motiejus Valiunas

摘要

We characterise when a rank n generalised Baumslag–Solitar group is CAT(0) and when it is biautomatic.