Trees of manifolds and boundaries of systolic groups
Volume 207 / 2010
Fundamenta Mathematicae 207 (2010), 71-99
MSC: 20F67, 20F65.
DOI: 10.4064/fm207-1-4
Abstract
We prove that the Pontryagin sphere and the Pontryagin nonorientable surface occur as the Gromov boundary of a $7$-systolic group acting geometrically on a $7$-systolic normal pseudomanifold of dimension $3$.