Mathematics – Group Theory
Scientific paper
2011-12-20
Mathematics
Group Theory
5 pages
Scientific paper
Let X be a locally compact geodesically complete CAT(0) space and G be a
discrete group acting properly and cocompactly on X. We show that G contains an
element acting as a hyperbolic isometry on each indecomposable de Rham factor
of X. It follows that if X is a product of d factors, then G contains free
abelian group of rank d.
Caprace Pierre-Emmanuel
Zadnik Gašper
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