Topological Amenability Is a Borel Property

• Autores: Jean Renault
• Localización: Mathematica scandinavica, ISSN 0025-5521, Vol. 117, Nº 1, 2015, págs. 5-30
• Idioma: inglés
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• Resumen

  • We establish that a $\sigma$-compact locally compact groupoid possessing a continuous Haar system is topologically amenable if and only if it is Borel amenable. We give some examples and applications.