TY - JOUR
T1 - Definability of small puncture sets
AU - Caicedo, Andrés Eduardo
AU - Clemens, John Daniel
AU - Conley, Clinton Taylor
AU - Miller, Benjamin David
PY - 2011
Y1 - 2011
N2 - We characterize the class of definable families of countable sets for which there is a single countable definable set intersecting every element of the family.
AB - We characterize the class of definable families of countable sets for which there is a single countable definable set intersecting every element of the family.
KW - Definability
KW - Dichotomy theorems
KW - Puncture sets
UR - http://www.scopus.com/inward/record.url?scp=80155196735&partnerID=8YFLogxK
U2 - 10.4064/fm215-1-2
DO - 10.4064/fm215-1-2
M3 - Article
AN - SCOPUS:80155196735
SN - 0016-2736
VL - 215
SP - 39
EP - 51
JO - Fundamenta Mathematicae
JF - Fundamenta Mathematicae
IS - 1
ER -