Anuj Dawar, Dexter Kozen, Simona Ronchi Della Rocca. The Ackermann Award 2015. In Stephan Kreutzer, editor, 24th EACSL Annual Conference on Computer Science Logic, CSL 2015, September 7-10, 2015, Berlin, Germany. Volume 41 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2015. [doi]
Abstract is missing.