Publications

Peer-reviewed

• 2024 Fajardo, Sebastian and Argüello, Pedro, Sociopolitical evolution, population clustering, and technology among early sedentary communities in northeastern Andes, Colombia. Journal of Anthropological Archaeology. (Link).
• 2024 Vélez María, Jorge Salgado, Miguel Delgado, Luisa F. Patiño, Broxton Bird, Jaime H. Escobar, and Sebastian Fajardo. Humans and climate in ritualized landscapes, the case of Lake Tota in the eastern highlands of Colombia. The Holocene. 34, Issue 11. (Link).
• 2024 Fajardo, Sebastian, Paul Kozowyk, and Geeske Langejans. Reply to: Problems with two recent Petri net analyses of Neanderthal adhesive technology. Scientific Reports. 14, 10489. (Link).
• 2024 Fajardo, Sebastian, Jelte Zeekaf, Tinde van Andel, Christabel Maombe, Terry Nyambe, George Mudenda, Alessandro Aleo, Martha Nchimunya Kayuni, and Geeske Langejans. Traditional adhesive production systems in Zambia and archaeological implications. Journal of Anthropological Archaeology. 74, June, 101586. (Link).
• 2023 Fajardo, Sebastian, Paul Kozowyk, and Geeske Langejans. Measuring ancient technological complexity and its cognitive implications using Petri nets. Scientific Reports. (Link).
• 2023 Kozowyk, Paul, Sebastian Fajardo, and Geeske Langejans. Scaling Palaeolithic tar production processes exponentially increases behavioural complexity. Scientific Reports. 13, 14709. (Link).
• 2022 Fajardo, Sebastian, Jetty Kleijn, Frank Takes, and Geeske Langejans. Modelling and Measuring Complexity of Traditional and Ancient Technologies using Petri Nets. PLOS ONE 17(11): e0278310.(Link).
• 2022 Langejans, Geeske, Alessandro Aleo, Paul Kozowyk, and Sebastian Fajardo Archaeological Adhesives. Oxford Research Encyclopaedia.(Link).
• 2020 Fajardo, Sebastian, Gert Jan Hofstede, Martijn de Vries, Mark R. Kramer, and Andres Bernal. Gregarious Behavior, Human Colonization and Social Differentiation: An Agent-Based Model. Journal of Artificial Societies and Social Simulation 23 (4) 11. (Link).
• 2015 Fajardo, Sebastian, Luis Felipe Navarro, and Jesús Mahecha. Población dispersa durante los periodos prehispánico y colonial en áreas de difícil acceso en límites de los valles de Sogamoso y Duitama. Revista Colombiana de Antropología. Vol. 51, No. 2 (jul-dec), pp. 265-292.(Link).
• 2011 Fajardo, Sebastian. Jerarquía social de una comunidad en el valle de Leiva: Unidades domésticas y agencia entre los siglos XI y XVII. Instituto Colombiano de Antropología e Historia, Bogotá D.C.(ISBN: 9789588181745).(Link).

Edited Books

• 2012 Henderson, Hope and Sebastian Fajardo. Reproducción social y creación de desigualdades: Discusiones desde la antropología y la arqueología suramericanas. Encuentro Grupo Editor, Córdoba, Argentina (ISBN: 9789871432998).

Book Chapters

• 2025 Rodriguez, Angela and Sebastian Fajardo. The Submerged Prehistoric Archaeological Record in South America: Determining Potential Sites. In 100 Years of Archaeology At the University of Michigan: Essays On the Past, Present, and Future of the Discipline. edited by B. A. Stewart, R. A. Beck, T. C. Fryer, M. L. Galaty, R. Garvey, H. Hoover, J. O'Shea, and A. Ventresca-Miller, pp. 251-269, University of Michigan Museum of Anthropological Archaeology, Ann Arbor, MI. (Link).
• 2012 Henderson, Hope and Sebastian Fajardo. Reproducción social y creación de desigualdades: Discusiones desde la antropología y la arqueología suramericanas. In Reproducción social y creación de desigualdades: Discusiones desde la antropología y la arqueología suramericanas, edited by H. Henderson and S. Fajardo, pp. 7-12, Encuentro Grupo Editor, Córdoba, Argentina.(Link).

Dissertation

• 2016 Fajardo, Sebastian. Prehispanic and Colonial Settlement Patterns of the Sogamoso Valley. Doctoral Dissertation. University of Pittsburgh. Advisor: Robert Drennan.(Link).

Technical reports

• 2016 Hurtado, Rafael, Jorge Charum, Ángela Rivera, Sandra Daza, Adriana Silva, Eugenio Llanos, Carlos Murcia, Jorge Lucio, Diana Usgame, Diego Chavarro, Andrés Bernal, Gloria Perea Cruz, Rut Torres, Juan Carlos Espitia, Claudia Pico, Tania Arboleda, Sebastian Fajardo, and Juan Felipe Alzate. Evaluación Programa Nacional de Desarrollo Científico y Tecnológico BID etapa III. Departamento Administrativo de Ciencia, Tecnología e Innovación, COLCIENCIAS.(Link).

Datasets

• 2024 Chasan, Rivka, Liliana Baron, Sebastian Fajardo, and Geeske Langejans. Gas Chromatography-Mass Spectrometry data of adhesives and adhesive ingredients used in Zambia and collected during ethnographic research. Version 1. 4TU.ResearchData. Dataset.(Link).
• 2023 Fajardo, Sebastian, Jelte Zeekaf, Tinde van Andel, Chistabel Maombe, Terry Nyambe, George Mudenda, Martha Nchimunya Kayuni, and Geeske Langejans. Data underlying the publication: Adaptive adhesive production systems in Zambia. Version 1. 4TU.ResearchData. Dataset.(Link).
• 2016 Fajardo, Sebastian. Prehispanic and Colonial Settlement Patterns of the Sogamoso Valley Dataset. (Link)
• 2011 Fajardo, Sebastian. Jerarquía social de una comunidad en el valle de Leiva. unidades domésticas y agencia entre los siglos XI y XVII. dataset. (Link).

Preprints and under review

• 2024 Chasan, Rivka, Liliana Iwona Baron, Sebastian Fajardo, Yonatan Sahle, and Geeske Langejans. Molecular characterization of latex-based ethnographic African adhesives and its archaeological implications. (Under review)

Outreach materials

• 2024 Fajardo, Sebastian, Mesa Schumacher, and Geeske Langejans. Outreach and Engagement Materials: Traditional Adhesives of Zambia. Infographic.(Link).
• 2024 Fajardo, Sebastian, Mesa Schumacher, and Geeske Langejans. Outreach and Engagement Materials: Traditional Adhesives of Zambia. Documentary.(Link).

Conference papers

• 2024 Fajardo, Sebastian, Jonas Gregorio de Souza, Carlos Reina, Fernando Montejo, and Marco Madella. Predicting past human activity areas in the Colombian Amazon through ecological niche modeling of Euphorbiaceae species. Paper Presentation delivered at Encuentro Internacional de Arqueología Amazónica, san Jose del Guaviare, Colombia.
• 2024 Fajardo, Sebastian and Pedro Argüello. Evolución sociopolítica y agrupación poblacional entre las primeras comunidades sedentarias en el noreste de los Andes, Colombia. Paper presentation delivered at the Colombian Archaeological Congress, Santa Marta, Colombia.
• 2023 Fajardo, Sebastian, Jetty Kleijn, Frank Takes, and Geeske Langejans. Modelling and Measuring complexity of traditional and ancient technologies using Petri nets. Paper presentation delivered at the Computer Applications and Quantitative Methods in Archaeology (CAA) conference, Amsterdam, (The Netherlands).
• 2022 Fajardo, Sebastian, Paul Kozowyk, and Geeske Langejans. Cognitive strategies in Neanderthal tar production. Paper presentation delivered at the 12th annual European Society for the study of Human Evolution (ESHE) meeting, Tübingen, (Germany).
• 2022 Langejans, Geeske, Jelmer Postma, and Sebastian Fajardo. Cross-cultural variability of traditional adhesive production and use in Africa. Paper presentation delivered at the 16th Congress of the Pan African Archaeological Association for Prehistory and Related Studies, Zanzibar (Tanzania).
• 2021 Fajardo, Sebastian, Paul Kozowyk, and Geeske Langejans. Petri nets for modelling non-linear dynamics of ancient adhesive technology systems. Paper presentation delivered at the CAA online event.
• 2020 Fajardo, Sebastian. Modelling adhesive production using Petri nets. Paper presentation delivered at the NUACCESS/PIRE online Seminar, NUACCESS/PIRE Seminar, United States.
• 2018 Fajardo, Sebastian, Gert Jan Hofstede, Shira Verduin, Martijn de Vries, and Mark R. Kramer. Old Providence island: a colonization history ABM. Paper presentation delivered at the 14th Annual Conference of the European Social Simulation Association, Stockholm, Sweden.
• 2016 Fajardo, Sebastian. Innovation, settlement patterns and cultural innovation: a case study in northern South America. Paper presentation delivered at the 8th World Archaeological Congress, Kyoto, Japan.
• 2016 Fajardo, Sebastian. Prehispanic settlement patterns of the Sogamoso valley. Paper presentation delivered at the Society for American Archaeology (SAA) 81st Annual Meeting, Orlando, FL, United States.
• 2015 Fajardo, Sebastian. Patrones de asentamiento prehispánico y colonial en el valle de Sogamoso: Un estudio sobre las dinámicas de interacción a largo plazo entre comunidades dispersas y nucleadas. Presentation delivered at the Instituto Colombiano de Antropología e Historia, Bogotá D.C., Colombia.
• 2012 Fajardo, Sebastian. Inequidad, organización del trabajo y bienestar entre unidades domésticas Muiscas en los valles de Leiva y Samacá. Paper delivered at the X Conference Cycle “Perspectivas antropológicas e investigación social”, Bogotá D.C., Colombia.
• 2011 Fajardo, Sebastian. Political dynamics in a leiva valley community: hierarchy and negotiation between the eleventh and seventeenth centuries. Paper presentation delivered at the SAA 76th Annual Meeting, Sacramento, CA, United States.
• 2007 Fajardo, Sebastian and Manuel Salge. Ortodoxias y heterodoxias: Relaciones de poder y cambio social en el área Muisca. Symposium organization/coordination at the XII Congress of Anthropology in Colombia, Bogotá D.C., Colombia.
• 2007 Fajardo, Sebastian and Diana Villada. El concepto de microverticalidad en el área Muisca: Un caso de estudio en la vertiente oriental. Paper presentation delivered at the XII Congress of Anthropology in Colombia, Bogotá D.C., Colombia.
• 2007 Fajardo, Sebastian. Procesos de centralización política en la comunidad cacical de Suta, en el valle de Leiva entre los siglos XI y XVII: Jerarquía y negociación. Paper presentation delivered at the Fourth International Meeting of Archaeological Theory in South America: WAC Inter-Congress, Catamarca, Argentina.
• 2006 Fajardo, Sebastian. Estrategias de resistencia de unidades domésticas y procesos de centralización política en una comunidad cacical de Suta, en el valle de Leiva. Paper presentation delivered at the IV Congress of Archaeology in Colombia, Pereira, Colombia.