School of Mathematics and Statistics - Research Publications

Permanent URI for this collection

http://hdl.handle.net/11343/294

Filters

2012 1
1
Reset filters

Settings
Statistics
Citations
Subject: Set Theory × Subject: Lattices and Universal Algebra; Expanding Knowledge in the Mathematical Sciences × Author: HJORTH, GREG × Start date: 2012 × End date: 2012 ×

Search Results

Now showing 1 - 1 of 1
  • Item
    Thumbnail Image
    TREEABLE EQUIVALENCE RELATIONS
    Hjorth, G (WORLD SCIENTIFIC PUBL CO PTE LTD, 2012-06-01)
    There are continuum many ≤B-incomparable equivalence relations induced by a free, Borel action of a countable non-abelian free group — and hence, there are 2α0 many treeable countable Borel equivalence relations which are incomparable in the ordering of Borel reducibility.