CORR
2010
Springer
12 years 11 months ago
2010
Springer
We investigate enumerability properties for classes of random reals which permit recursive approximations from below, or left-r.e. reals. In addition to pinpointing the complexity...
COCOON
2005
Springer
13 years 6 months ago
2005
Springer
A c.e. real x is Solovay reducible to another c.e. real y if x can be approximated at least as efficiently as y by means of increasing computable sequences of rational numbers. The...