1. Balbiani, P., H. van Ditmarsch, and A. Kudinov, Subset space logic with arbitrary announcements, in Proceedings of the 5th ICLA, Springer, 2013, pp. 233–244.
2. Baltag, A., N. Bezhanishvili, A. Özgün, and S. Smets, The topology of belief, belief Revision and defeasible knowledge, in Proceedings of the 4th LORI, 2013, pp. 27–40.
3. Baltag, A., N. Bezhanishvili, A. Özgün, and S. Smets, The topological theory of belief, in ILLC report PP-2015-18. Available at http://www.illc.uva.nl/Research/Publications/Reports/PP-2015-18.text.pdf , 2015.
4. Baltag, A., N. Bezhanishvili, A. Özgün, and S. Smets, The topology of full and weak belief, in Proceedings of the 11th TbiLLC, Revised Selected Papers, Springer, 2015, pp. 205–228.
5. Baltag, A., N. Bezhanishvili, A. Özgün, and S. Smets, Justified belief and the topology of evidence, in Proceedings of WOLLIC 2016, 2016, pp. 83–103.