1. Least and greatest fixed points in linear logic;Baelde,2007
2. The variable hierarchy of the μ-calculus is strict;Berwanger;Theory Comput. Syst.,2007
3. Modal mu-calculi;Bradfield,2006
4. Deep sequent systems for modal logic;Brünnler,2006
5. Syntactic cut-elimination for common knowledge;Brünnler;Ann. Pure Appl. Logic,2009