Expansion of building-like complexes
Alexander Lubotzky
Hebrew University, Jerusalem, IsraelRoy Meshulam
Technion - Israel Institute of Technology, Haifa, IsraelShahar Mozes
Hebrew University, Jerusalem, Israel
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Abstract
Following Gromov, the coboundary expansion of building-like complexes is studied. In particular, it is shown that for any , there exists a constant such that for any the -th coboundary expansion constant of any -dimensional spherical building is at least .
Cite this article
Alexander Lubotzky, Roy Meshulam, Shahar Mozes, Expansion of building-like complexes. Groups Geom. Dyn. 10 (2016), no. 1, pp. 155–175
DOI 10.4171/GGD/346