| 2025-05-14 | Proofs, programs and systems (IRIF, Université Paris Cité) | Three lectures on decomposition spaces [Abstract] |
| 2025-02-20 | Recent Perspectives on Non-crossing Partitions through Algebra, Combinatorics, and Probability (ESI, Vienna) | Decomposition spaces of noncrossing partitions in free probability [Abstract] |
| 2024-10-28 | Voiculescu's Probabilistic Operator Algebra Seminar (Berkeley) | Partial monoids and decomposition spaces of noncrossing partitions in free probability [Abstract] |
| 2024-06-25 | International Category Theory Conference CT2024 (Santiago de Compostela) | The universal property of the decomposition space of quasisymmetric functions [Abstract] |
| 2024-07-12 | Algebraic Combinatorics and Finite Groups III (Cetraro) | The universal property of the decomposition space of quasisymmetric functions [Abstract] |
| 2024-03-10 | Algebraic Aspects of Generative Linguistics (Caltech) | Polynomial functors in generative linguistics |
| 2024-02-22 | Topos Institute Colloquium | Polynomial functors — from elementary arithmetic to infinity-operads [Abstract] [Video recording] |
| 2023-12-08 | Foundations Day (Copenhagen) | Negative quantities in objective linear algebra [Abstract] |
| 2023-07-07 | International Category Theory Conference CT2023 (Louvain-la-neuve) | Signs in objective linear algebra [Abstract] |
| 2023-06-26 | CATMI 2023 Category Theory in Computational Mathematics and Theoretical Informatics (Bergen) | Whole-grain Petri nets and processes [Abstract] |
| 2023-04-05 | F1 World Seminar | Some basic steps in objective linear algebra [Abstract] |
| 2023-03-03 | Lawvere Memorial Meeting (Tallinn) | Lawvere's universal Hopf algebra [Abstract] |
| 2022-09-29 | Combinatorics Seminar (Copenhagen) | From Möbius inversion to renormalisation [Abstract] |
| 2022-05-19 | ItaCa Fest 2022 | Decomposition spaces, right fibrations, and edgewise subdivision [Abstract] [Video recording] |
| 2021-09-22 | Homotopical Algebra and Higher Structures (Oberwolfach) | Operadic categories and simplicial 'sets' [Extended abstract] |
| 2021-09-10 | Algenbra/Topology Seminar (Copenhagen) | Petri nets and processes [Abstract] |