During June 29 - July 3, 2015 I participated in the conference Computability in Europe (CiE 2015), held in Bucharest, Romania.
As part of the conference, I gave an invited 3-hour tutorial on degrees of unsolvability. Here is a 15-page writeup of the tutorial, including extensive references to the literature: PDF, PS.
And here are my slides for the tutorial: PDF, PS.
A list of my recent and upcoming talks is available.
My publication list is available.
firstname.lastname@example.org / 5 July 2015