Free products in R. Thompson's group V
We investigate some product structures in R. Thompson's group V's action on the Cantor set \mathfrak{C} \mathcal {D}_{(V,\mathfrak{C})}demonstrative subgroups of V whose class can be used to assist in forming various products. Note that \mathcal {D}_{(V,\mathfrak{C})} \mathbf {Q}/\mathbf {...
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Veröffentlicht in: | Transactions of the American Mathematical Society 2013-11, Vol.365 (11), p.5967-5997 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
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Zusammenfassung: | We investigate some product structures in R. Thompson's group V's action on the Cantor set \mathfrak{C} \mathcal {D}_{(V,\mathfrak{C})}demonstrative subgroups of V whose class can be used to assist in forming various products. Note that \mathcal {D}_{(V,\mathfrak{C})} \mathbf {Q}/\mathbf {Z} and H\in \mathcal {D}_{(V,\mathfrak{C})} embeds into V, H\in \mathcal {D}_{(V,\mathfrak{C})} embeds in V Using a dynamical approach, we also show the perhaps surprising result that Z^2*Z, even though V and has many embedded copies of free products of various pairs of its subgroups. |
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ISSN: | 0002-9947 1088-6850 |
DOI: | 10.1090/S0002-9947-2013-05823-0 |