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Growth tightness for groups with contracting elements

  • WEN-YUAN YANG (a1) (a2)


We establish growth tightness for a class of groups acting geometrically on a geodesic metric space and containing a contracting element. As a consequence, any group with non-trivial Floyd boundary are proven to be growth tight with respect to word metrics. In particular, all non-elementary relatively hyperbolic group are growth tight. This generalizes previous works of Arzhantseva-Lysenok and Sambusetti. Another interesting consequence is that CAT(0) groups with rank-1 elements are growth tight with respect to CAT(0)-metric.



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Growth tightness for groups with contracting elements

  • WEN-YUAN YANG (a1) (a2)


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