Hostname: page-component-78c5997874-94fs2 Total loading time: 0 Render date: 2024-11-19T03:12:01.612Z Has data issue: false hasContentIssue false

Lacunary sections for locally compact groupoids

Published online by Cambridge University Press:  02 April 2001

ARLAN RAMSAY
Affiliation:
Department of Mathematics, CB395, University of Colorado, Boulder, CO 80309-0395, USA

Abstract

It is proved that every second countable locally Hausdorff and locally compact continuous groupoid has a Borel set of units that meets every orbit and is what is called ‘lacunary’, a property that implies that the intersection with every orbit is countable.

Type
Research Article
Copyright
© 1997 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)