Expansion of building-like complexes

Alexander Lubotzky, Roy Meshulam, Shahar Mozes

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Following Gromov, the coboundary expansion of building-like complexes is studied. In particular, it is shown that for any n > 1, there exists a constant ε (n) > 0 such that for any 0 ≤ k < n the k-th coboundary expansion constant of any n-dimensional spherical building is at least α(n).

Original languageAmerican English
Pages (from-to)155-175
Number of pages21
JournalGroups, Geometry, and Dynamics
Volume10
Issue number1
DOIs
StatePublished - 2016

Keywords

  • High dimensional expansion
  • Spherical buildings

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