publications

In progress:

• The Wisdom of Small Crowds: Myside Bias and Group Discussion, with Edoardo Baccini, Stephan Hartmann and Rineke Verbrugge (under revision). 
• Limited Voting for More Diversity?, with Maaike Los and Davide Grossi (submitted). 
• Comparing Dynamic Operators for Social Networks, with Edoardo Baccini (submitted). 
• On the Graph Theory of Majority Illusions, with Maaike Los and Davide Grossi (submitted). 
• Common Enough Knowledge and Collective Action, with Thomas Ågotnes.
• Epistemic Gain of Democratization vs Delegation, with Davide Grossi and Dominik Klein.
• Crowds and Truth-Tracking, with Nina Gierasimczuk. 

2022:

• Proportional Budget Allocation: A Systematization, with Maaike Los and Davide Grossi, proceedings of IJCAI-ECAI 2022.
• Cascading Abilities in Networks, with Thomas Ågotnes, accepted for LOFT 2022. 
• Opinion Diffusion in Similarity-Driven Networks, with Edoardo Baccini and Rineke Verbrugge, accepted for LOFT 2022. 

2021:

• Revisiting Epistemic Logic with Names (pdf) (bibtex) with Marta Bílková and Olivier Roy, in Proceedings of TARK VIII – 18th Conference on Theoretical Aspects of Rationality and Knowledge, (online) Beijing, China, June 25-27, 2021.
• Priority Merge and Intersection Modalities, with Norbert Gratzl and Olivier Roy,  Review of Symbolic Logic, online first, doi:10.1017/S1755020321000058.

2020:

• Reasoning about Cascading Abilities in Networks (short version), with Thomas Ågotnes, accepted for Netreason@ECAI, Santiago de Compostela online, August 30, 2020.

2019:

• Priority Merge and Intersection Modalities (abstract), with Norbert Gratzl and Olivier Roy, Substructural Epistemology Symposium, 16th CLMPST – International Congress on Logic, Methodology, and Philosophy of Science and Technology, Prague, August 5-10 2019.

• Social Network Diffusion with Recalcitrant Agents, with Pavel Naumov, Journal of Logic and Computation, Volume 29, Issue 1, pp 53-70, January 2019.

• Dynamic Epistemic Logic of Diffusion and Prediction in Threshold Models, (PDF), extended version, Alexandru Baltag, Zoé Christoff, Rasmus K. Rendsvig and Sonja Smets, Studia Logica, Volume 107, Number 3, pp 489-531, June 2019 (first online: July 6 2018).

2017:

• Binary Aggregation with Delegable proxy: An Analysis of Liquid Democracy, (PDF, Bibtex) Zoé Christoff and Davide Grossi, Proceedings of Proceedings of TARK 2017 – 16th Conference on Theoretical Aspects of Rationality and Knowledge.

• Stability in Binary Opinion Diffusion, Zoé Christoff and Davide Grossi, in Baltag A., Seligman J., Yamada T. (eds), Proceedings of LORI VI – 6th International Conference on Logic, Rationality and Interaction Lecture Notes in Computer Science, vol 10455, Springer, Berlin, Heidelberg, pp. 166-180.

• Report on The Sixteenth conference on Theoretical Aspects of Rationality and Knowledge (TARK 2017), Zoé Christoff and Louwe Kuijer, The Reasoner, Volume 11, Number 9, pp. 65-66, September 2017.

2016:

• Liquid Democracy: An Analysis in Binary Aggregation and Diffusion, Zoé Christoff and Davide Grossi, working paper, arXiv:1612.08048

• Reflecting on Social Influence in Networks (pdf)(read online), Zoé Christoff, Jens Ulrik Hansen and Carlo Proietti, in  Lorini E., Perrussel L., and Mühlenbernd, R. J (Eds), Information Dynamics in Artificial Societies, Special Issue of  Journal of Logic, Language and Information (JOLLI) , Volume 25: 3, pp.299-333, 2016.

• Dynamic Epistemic Logic of Diffusion and Prediction in Threshold Models (extended abstract) (pdf), Alexandru Baltag, Zoé Christoff, Rasmus K. Rendsvig and Sonja Smets, Twelfth Conference on Logic and the Foundations of Game and Decision Theory (LOFT 2016).

• Dynamic Logics of Networks – Information Flow and the Spread of Opinion (abstract, full text),  PhD thesis, University of Amsterdam, ILLC Dissertation Series DS-2016-02.

2015:

• Dynamic Epistemic Logic of Diffusion and Prediction in Threshold Models, Alexandru Baltag, Zoé Christoff, Rasmus K. Rendsvig and Sonja Smets, ILLC Prepublication PP-2015-22.

• A Logic for Diffusion in Social Networks (pdf), Zoé Christoff and Jens Ulrik Hansen, Journal of Applied Logic (JAL), Volume 13, Issue 1, March 2015, Pages 48–77.

2014:

• Reflecting on Social Influence in Networks (pdf), Zoé Christoff, Jens Ulrik Hansen and Carlo Proietti, in Proceedings of Information Dynamics in Artificial Societies Workshop (IDAS) Tübingen,Germany, August 18–22 2014.

• Logics for Threshold Models and their Epistemic Extension, Zoé Christoff and Rasmus K. Rendsvig, in Proceedings of Epistemic Logic for Individual, Social, and Interactive Epistemology (ELISIEM), Tubingen, Germany, August 11–15, 2014. 

2013:

• A Two-tiered Formalization of Social Influence (pdf of the published version) (pdf with appendix), Zoé Christoff and Jens Ulrik Hansen, in D. Grossi, O. Roy, and H. Huang (Eds.): Logic Rationality and Interaction – 4th International Workshop, LORI 2013, Hangzhou, China, October 9-12, 2013, Proceedings, LNCS 8196, pp.68-81, Springer, Heidelberg (2013).

• Logical Models of Informational Cascades (pdf), Alexandru Baltag, Zoé Christoff, Jens Ulrik Hansen and Sonja Smets, in J. van Benthem and F. Liu (Eds.): Logic across the University: Foundations and Applications, — Proceedings of the Tsinghua Logic Conference, Beijing, 14-16 October 2013, Studies in Logic, Volume 47, pp.405-432, College Publications, London, (2013).

• A Logic for Social Influence through Communication (pdf), Zoé Christoff, in E. Lorini (Ed.): Proceedings of Eleventh European Workshop on Multi-Agent Systems (EUMAS 2013), CEUR Vol-1113, pp.31-39 (2013).

2012:

• The Lottery Paradox (in French), Zoé Christoff, Philosophy Master thesis supervised by Pascal Engel, available in print in the library of the University of Geneva.