Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4590817 | Journal of Functional Analysis | 2011 | 27 Pages |
Abstract
We investigate the behavior of equivariant and non-equivariant Hilbert space compression under group constructions. Given the (equivariant or non-equivariant) Hilbert space compression of two groups, we find bounds on the compression of their free product. We also investigate the case of HNN-extensions of a group relative to a subgroup which is finite or of finite index.
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