A rigid cone in the truth-table degrees with jump [article]

Bjørn Kjos-Hanssen
2010 arXiv   pre-print
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.
arXiv:0901.3949v3 fatcat:5i7u7i7pz5h5vh6fo5m4itodwy