2 search results - page 1 / 1 » Diagonal actions and Borel equivalence relations |
JSYML
2006
13 years 5 months ago
2006
We investigate diagonal actions of Polish groups and the related intersection operator on closed subgroups of the acting group. The Borelness of the diagonal orbit equivalence rela...
JSYML
2011
13 years 7 days ago
2011
Abstract. Louveau and Rosendal [5] have shown that the relation of biembeddability for countable graphs as well as for many other natural classes of countable structures is complet...