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 language | American English |
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Pages (from-to) | 155-175 |
Number of pages | 21 |
Journal | Groups, Geometry, and Dynamics |
Volume | 10 |
Issue number | 1 |
DOIs | |
State | Published - 2016 |
Keywords
- High dimensional expansion
- Spherical buildings