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math.GR2020★ 1 cited
Cohomological and geometric invariants of simple complexes of groups
Nansen Petrosyan, Tomasz Prytuła
We investigate strictly developable simple complexes of groups with arbitrary local groups, or equivalently, group actions admitting a strict fundamental domain. We introduce a new…
math.GR2020
Graphical complexes of groups
Tomasz Prytuła
We introduce graphical complexes of groups, which can be thought of as a generalisation of Coxeter systems with 1-dimensional nerves. We show that these complexes are strictly deve…