2026

• Keynote to be delivered at the 8th European conference on Social Networks (EUSN 2026), see more information via the following link:  https://liu.se/en/event/eusn-2026

2025

• Presentation at Annual Meeting European Academy of Sociology ““Computational models of opinion polarization: connecting micro-processes, macroconditions and empirical data”.

  Presentation held at European Academy of Sociology, Twenty-fourth Annual Meeting, November 7-8, 2025 Paris, Sciences Po.

2024

• Invited talk “Effects and emergence of affective polarization: linking agent-based models to empirical data.” Interdisciplinary Workshop on Identity and Politics. Toulouse, France 
• Invited talk “Modelling the complexity of intergroup contact”. Workshop on “Agent-based models of social networks” 22-23 April 2024 Department of Social and Political Sciences, Milan, Italy

2023

• Appointed as fellow of the European Academy of Sociology. http://www.european-academy-sociology.eu/
• Invited talk at the International Symposium on Social Simulation ( 2023 ASSA Annual Conference). “Unravelling the complexity of opinion polarization with agent-based modelling. Insights and challenges”. Keynote presentation, Wuhan, China. 
• Invited presentation on the topic “Theoriebildung und Theorieprüfung in der analytisch-empirischen Soziologie”. Erster Workshop des Arbeitskreises „Methodologie der Sozialwissenschaften“,  Johannes Gutenberg-Universität Mainz, Germany 
• Presentation on the topic “Inequality, social influence and polarization”. At the ICTP Workshop on Inequality Across Scales, Space, Time and Domains. Trieste, Italy

2021

• Invited member of discussion panel “Combatting Political Polarization”, part of the program of the section Rationality & Society at the 106^th ASA annual meeting,  August 10 2021. Organizer: dr. Michael Mäs.
• Since July 1^st, 2021, I am the editor of Rationality & Society. Read here my editorial statement.
• Co-organizing and co-chairing a set of sessions on “Agent-based models of social networks” at Networks 2021 conference (with Federico Bianchi, Karoly Takács and Filip Agneessens).
• Invited talk in Colloquium Jacques Morgenstern “Opinion polarization and network segregation. Modelling a complex Relationship”, June 24^th, 2021. INRIA, Sophia-Antipolis, France.
• Invited lecture at ESSA / DeSIRE Summer School Resilience of living systems 2021 on “Opinion polarization and network segregation.”, June 16, 2021.
• Invited member of keynote discussion panel “Polarization in the Netherlands and Flanders” at the Dag van de Sociologie 2021, June 10, Utrecht University. Host: dr. Eva Jaspers.
• New paper with Lucas Sage in Journal of Artificial Societies and Social Simulation (JASSS). “Can Ethnic Tolerance Curb Self-Reinforcing School Segregation?”. (April 2021).

2020

• New paper with Thomas Feliciani and Michael Mäs in Computational and Mathematical Organization Theory (CMOT). “Persuasion without polarization? Modelling persuasive argument communication in teams with strong faultlines”. (2020).
• New paper with Federico Bianchi and Flaminio Squazzoni in Journal of Mathematical Sociology (JMS). “Solidarity in collaboration networks when everyone competes for the strongest partner”. (January 2020).

2019

• New paper with Tibor Zingora and Tobias Stark in Group Processes and Intergroup Relations (GPIR). “Who is most influential? Adolescents’ intergroup attitudes and peer influence within a social network” (September 2019).
• Keynote speaker at Euro CSS 2019 on Polarization and Radicalization at ETH Zurich.
• Co-organizer workshop Validating models of opinion polarization in the digital era (with Michael Mäs, Marijn Keijzer and Jan Lorenz) at Euro CSS 2019.
• NWO grant to study spirals of mutually reinforcing negative outgroup attitudes (SPIN-OUT).
• New paper with Lars Leszczensky and Lisa Sauter in JOURNAL OF ETHNIC AND MIGRATION STUDIES (June 2019). “Does the share of religious ingroup members affect how important religion is to adolescents?”
• Chapter with André Grow “Agent-Based Computational Models of Reputation and Status Dynamics” in The Oxford Handbook of Gossip and Reputation (edited by Francesca Giardini and Rafael Wittek). June 2019.
• Invited speaker at Rostock Retreat on Simulation, Max Planck Institute for Demographic Research, July 1-3, 2019.
• Invited speaker at Symposium “Agents for theory. From Cases to General Principles: Theory Development through Agent-Based Modeling”, Hannover July 10-12, 2019.
• Co-organizer symposium on Agent-Based Modelling for Theory Building in Social Sciences at INAS 2019 in St. Petersburg (with Daniel Alexandrov), PC member of INAS.  
• Invited speaker at opening workshop of “Behave” lab @ University of Milano (head: Flaminio Squazzoni). March 21, 2019.

2018

• New paper in Advances in Complex Systems (November 2018) “About Renegades and Outgroup Haters” Andreas Flache. (Older working paper version in arxiv.org)
• ORA-project “Towards Realistic Computational Models of Social Influence Dynamics (ToRealSim)” funded (main applicant Flache)
• New paper in Journal of Archaeological Method and Theory (September 2018) “Between Monoculture and Cultural Polarization” Andreas Flache.
• Invited speaker @ workshop “Discrete Models of Complex Systems”, Orleans, France. March 19-21, 2018
• New paper in International Journal of Intercultural Relations (January 2018) “Sojourners’ second language learning and integration.” (Van Niejenhuis, Otten & Flache).

2017 & before

• New paper in Higher Education (December 2017 ) “Emergent achievement segregation in freshmen learning community networks.” (Brouwer, Flache, Jansen, Hofman & Steglich).
• New paper in JASSS (November 2017) “Models of Social Influence: Towards the Next Frontiers” (with Mäs, Feliciani, Chattoe-Brown, Deffuant, Huet & Lorenz).
• New paper in Sociological Science (November 2017) “Global Diversity and Local Consensus in Status Beliefs” (Grow, Flache & Wittek).
• Invited speaker @ Econophys-2017 & Asia Pacific Econophysics Conference (APEC)-2017, New Delhi, India, November 15-18.
• New paper (2017) “The double-edge of counter-sanctions” (with Dieko Bakker, Michael Mäs and Jacob Dijkstra) in “SOCIAL DILEMMAS, INSTITUTIONS, AND THE EVOLUTION OF COOPERATION” (eds. Ben Jann, Wojtek Przepiorka)
• Invited lecturer @ Summer School on Complex Socio-Technical Systems. IFISC, Palma de Mallorca September 4-8, 2017.
• Invited speaker @ Interdisciplinary Workshop on Opinion Dynamics and Collective Decision 2017 (ODCD2017), July 5-7, 2017 @ Jacobs University Bremen, Germany.
• My ODCD2017 paper is now available in arxiv.org.
• New paper (2017) “How, When and Where Can Spatial Segregation Induce Opinion Polarization? Two Competing Models.” (Feliciani, Flache, Tolsma) in Journal of Artifical Societies and Social Simulation (JASSS).
• First annual NPCS Conference 10th of March 2017 – “Shaping the Future of Complexity Science in The Netherlands” (Keynote speaker).
• Check out our recent (2017) GPIR paper on “The Relation between Ethnic Classroom Composition and Adolescents’ Ethnic Pride.”
• Check out our recent PloS One paper “Discrepancy and Disliking Do Not Induce Negative Opinion Shifts”.
• Check out the recent Science paper “Complexity Theory and Financial Regulation” that I co-authored. … Related comments and response: letter by Ruhl, letter by Witzling, responses.