A rigid cone in the truth-table degrees with jump
Logic
2010-05-04 v3
Abstract
The automorphism group of the truth-table degrees with order and jump is fixed on the set of degrees above the fourth jump of 0.
Keywords
Cite
@article{arxiv.0901.3949,
title = {A rigid cone in the truth-table degrees with jump},
author = {Bjørn Kjos-Hanssen},
journal= {arXiv preprint arXiv:0901.3949},
year = {2010}
}