The following talks are a selection of the talks I gave in the last years. Talks marked by * are invited lectures.
* On disappearing material practices: From folding and diagrams in the 20th century to algorithms and AI ‘produced’ diagrams in the 21st century, Cambridge: Isaac Newton Institute for Mathematical Sciences, May 2025.
* On Jungius' Phoranomica: from the first lecture notes to the 1691 published version (with: Axworthy, Angela), at the workshop: “Mathematical Notes: Materiality and Epistemology”, Hamburg: Excellence Cluster Understanding Written Artefacts, Febraury 2025.
* Metaphern der Mathematik, oder: Wie hat Hans Blumenberg Wittgensteins Schriften gelesen?, Siegen University, December 2024.
*A tale of a threshing machine: Images of the Voigt-Leibniz mathematical-agricultural machine at the beginning of the 18th century, at the workshop: “ Histoire des techniques, histoire des mathématiques ”, Université Paris Cité , Paris, November 2024.
On Early 18th-Century Threshing Machines as Mathematical Machines, séminaire Mathesis, ENS, Paris, October 2024.
Agricultural Techniques: On Threshing (and other) Agricultural Machines in the 18th Century, at the workshop: Art and Craft. Technique in the Eighteenth Centuary, Universität Stuttgart / Deutsches Literatur Archiv, Marbach, September 2024.
* Leibniz, Krüger and Practices of Spinning and Winding the Yarn in the 17th century, at the workshop: “Fabricating Archaeologies: Feminist Craft, Human Hands and Intelligent Architectures”, TU Munich, July 2024.
Metaphors of mathematical practices, or: Blumenberg reading Wittgenstein’s Schriften, Deutsches Literatur Archiv, Marbach, July 2024.
Friedrich Fröbel Taking Mathematical Notes in the 19th century: From crystallography to Exercises in Geometry, 7th International Meeting of the APMP, Pavia, June 2024.
* Jungius, Leibniz and the future mathematization of textile artisanal knowledge, EHESS Paris, séminaire "Des « arts de penser » les mathématiques”, May 2024.
* Leibniz, Krüger and the practice of calculations with threads, at the workshop: Normative Texts and Occupational Practices: Towards new social histories of mathematics, ETH Zurich, February 2024.
* Bio-inspired Materials and Dreams of Inspiration, RWTH Aachen University, February 2024.
* Jungius’ manuscripts on textiles and Leibniz’ copies, at the seminar: Séminaire Manuscrits scientifiques, ÉNS, Paris, December 2023.
* Friedrich Fröbel Taking Notes: crystallography, mathematics and Kindergarten activities, at the workshop: “Accumulating Notes”, Hamburg: Excellence Cluster Understanding Written Artefacts, December 2023.
Friedrich Fröbel’s Mathematics: From crystallography at the University to Mathematics in the Kindergarten at the 19th century and Back, at the conference: Teaching and learning mathematical sciences in the eighteenth century, Ca' Foscari, Venice, June 2023.
Introduction. Paper and its ephemerality in the 21st century (with: Daniela Zetti) at the conference: Paper(s) as epistemic carrier of knowledge, Deutsches Museum, Kerschensteiner Kolleg, February 2023.
Dreams and Nightmares of Autonomous Materials, at the conference: Infrastructures of Autonomy, Alexander von Humboldt Institut für Internet und Gesellschaft, Berlin, November 2022.
Scholarly and artisanal mathematics in the Early Modern Period (A session organized together with: Angela Axworthy and Thomas Morel), at the 10th conference of the European Society for the History of Science, Brussels, September 2022.
* Active Materials (with: Karin Krauthausen), lecture at the seminar: BioRobotics, Technische Universität Darmstadt, June 2022.
Leibniz on Stocking Frame, Computing and Weaving, 6th International Conference on the History and Philosophy of Computing, ETH Zurich, October 2021.
Joachim Jungius and Weaving in the 17th Century: between Mathematical and Scientific Investigation, NYC Workshop in Early Modern Philosophy, Technion, Haifa, July 2021.
* Medieval Hebrew mathematical manuscripts left in mediis rebus : The case study of “A treatise on measurement of areas and volumes” of Bar Hiyya, at: Seminar Histoire des sciences, histoire du texte, Sphere, Université de Paris, Paris, May 2021.
* Material models of braids: Exploration with materiality as a dead end?, at the workshop: Exploratory Modelling and Exploratory Models in Science, Technical university, Berlin, 19 November 2019.
On narratives regarding mathematics and the concept of “translation”, at the workshop: Narrative and Mathematical Argument, London School of Economics, London, 28 September 2019.
Friedrich Fröbel’s crystallography and the mathematical education at the 19th century Kindergartens, Sixth International Conference on the History of Mathematics Education, CIRM, Marseille, 16 September 2019.
* The Activity of Folding: perspectives from mathematics, art, and material research, Weißensee Kunsthochschule Berlin, 28 May 2019.
* Duality and the implicit introduction of ramification curves between 1830 and 1860, at the conference: Duality as an archetype of mathematical thinking, CIRM, France, 5 March 2019.
The hidden role of the editor: The influence of D.E. Smith on the (history of the) mathematics of folding (with: Breard, Andrea), at the conference: David Eugene Smith et l’historiographie des mathématiques (laboratoire SPHERE), Uni. Paris VII, 9 January 2019.
Braids, diagrams, models and the concepts of ‘Anschaulichkeit’ and ‘Intuition’, 29th Novemebertagung, Sevilla, Spain, novembre 2018.
* On marginalization of material practices during the 20th century: the case studies of braids and folds, at the seminar: Histoire et Philosophie des Mathématiques (laboratoire SPHERE), Uni. Paris VII, October 2018.
* Coloring the fourth dimension? Coloring polytopes and complex curves at the end of the 19th century, at the workshop: The Meaning Of Color in the Sciences, Humboldt University of Berlin, July 2018.
* On “folded” curves and folded surfaces: (attempts of) visualisation of the Weierstraß function, at the Workshop: Mathematics and Mathematization of Physical Theory: Historical and Conceptual Aspects, Johannes Gutenberg-Universität Mainz, June 2018.
* Paper, plaster, strings: the rise and fall of material mathematical models as epistemic things at the turn of the 19th century, Master seminar of history of science, University of Regensburg, May 2018.
* Materielle Modelle und Mathematik am Ende des 19. Jahrhunderts, Oberseminar Geschichte der Mathematik, University of Wuppertal, April 2018.
* The topology of language in Heidegger and Lacan, Berlin, the psychoanalytical library, November 2017.
* Movement and the Change of Space, Master lecture, Bauhaus school, Dessau, November 2017.
Die Algorithmisierung der Papierfaltung: Ein Paradigmenwechsel der mathematischen Faltung, at the conference “Algorithmische Wissenskulturen? Der Einfluss des Computers auf die Wissenschaftsentwicklung”, Deutsches Museum, Munich, October 2017.
* On the limits of physical mathematical models, at the Workshop: Modell & Mathematik, Humboldt University of Berlin, May 2017.
* On the marginalization and the mathematization of paper folding, Vrije Universiteit Brussel, CLWF - Centrum voor Logika en Wetenschapsfilosofie, Brussels, May 2017.
A `Minor' Mathematics: Paper Folding and Geometry in Britain and India, at the conference “Beyond the Academy. The Practice of Mathematics from the Renaissance to the Nineteenth Century“, British Society of the History of Mathematics, Priory Street Centre, York, April 2017.
* Impossibility and contingency in mathematics and psychoanalysis, at the conference „Psychoanalysis and Science Contingency and Materialism”, Institute for Cultural Inquiry, Berlin, July 2016.
On the Disappearance of the Fold at the End of the 19th Century: Two Case Studies – Mathematics and Chemistry, at the conference “Transformation, degradation, disappearance of scientific objects”, The Institute of Philosophy of the Czech Academy of Sciences, Prague, June 2016.
* On Mathematics, Tensegrity structures and Semper’s hut, at the conference “Die Typologie der Hütte“, Humboldt University of Berlin, February 2016.
Immersion of the subject, Codification of Trauma: Head-Mounted Displays in Virtual Reality (with: Friedrich, Kathrin), at the conference “Digital Subject 4: Codes 2015“, Paris 8 University, November 2015.
* Ein Dialog über die Falte: zwischen analogem und digitalem Code (with: Seppi, Angelika), at the annual meeting of Excellence cluster Bild Wissen Gestaltung, Humboldt University of Berlin, November 2015.
Fuller and Platonic solids, at the workshop “Fuller / Laban“, Humboldt University of Berlin, October 2015.
* On Freud's and Lacan's repetition compulsion, guest lecture in the course “Techniken und Medien der Psychoanalyse”, Humboldt-University of Berlin, February 2014.