FOM: computable non-orderable abelian group?

Kanovei kanovei at wmwap1.math.uni-wuppertal.de
Wed Nov 7 09:49:03 EST 2001


There is a curios complementary question: 

is there a computable torsion-free abelian groop, 
which is not computably-orderable ? 

(Sourse: change "computable" to "Borel",  then 
2-adic numbers is an example.) 

V.Kanovei




More information about the FOM mailing list