| 2021-04-08 | The Topos Institute Collloquium | Noncrossing hyperchords and free probability |
| 2021-03-09 | Toulouse | Petri nets and processes |
| 2020-12-02 | UNAM (Mexico) | Whole-grain Petri nets and processes |
| 2020-11-25 | Western U. | Decomposition spaces, incidence algebras and Möbius inversion |
| 2020-11-24 | Algebra Colloquium, Augsburg | Decomposition spaces, incidence algebras and Möbius inversion |
| 2020-11-12 | U. Virginia | Homotopy combinatorics and homotopy linear algebra |
| 2020-11-06 | Carnegie Mellon U. | Decomposition spaces, incidence algebras and Möbius inversion |
| 2020-07-06 | International Applied Category Theory Conference ACT2020 | Whole-grain Petri nets and processes (keynote presentation) [video recording] |
| 2020-05-21 | TallCat (Tallinn) | Whole-grain Petri nets and processes |
| 2020-04-16 | MIT Categories Seminar | The incidence comodule bialgebra of the Baez-Dolan construction |
| 2020-04-01 | Algebraic and Combinatorial Perspectives in the Mathematical Sciences | Simplicial objects and combinatorial bialgebras |
| 2020-03-12 | Montpellier | Infinity-operads as polynomial monads |
| 2020-02-21 | Mathematical Pearls (Trondheim) | Möbius inversion — from number theory to renormalisation |
| 2020-02-17 | Trondheim | Objective Combinatorics and Decomposition Spaces II |
| 2020-02-10 | Trondheim | Objective Combinatorics and Decomposition Spaces I [Abstract] |
| 2019-07-13 | International Category Theory Conference 2019 (Edinburgh) | Operadic categories, decalage, and decomposition spaces [Abstract] |
| 2019-06-17 | Trondheim | Infinity-operads as polynomial monads |
| 3-7 June 2019 | CRM | Advanced course: Combinatorics of decomposition spaces |
| 2019-05-24 | Current directions in homotopical algebra (Pohang) | Operadic categories and 2-Segal spaces [Abstract] |
| 2019-05-07 | Kolloquium über reine Mathematik (Hamburg) | Combinatorial Dyson-Schwinger equations, polynomial functors, and inductive types [Abstract] |
| 2019-05-07 | Hamburg | Polynomial functors |
| 2019-04-29 | UB | Introduction to type theory |
| 2019-04-25 | Nice | Point-free topology and Hochster duality in derived categories |
| 2019-04-04 | HoTTEST | Infinity-operads as polynomial monads [Abstract] |
| 2019-02-18 | UB | From sets and toposes to infinity groupoids and infinity toposes |
| 2019-02-12 | Lausanne | Infinity-operads as polynomial monads |
| 2019-01-31 | Thomas Poguntke Memorial Workshop (Barcelona) | Operadic categories and 2-Segal spaces |
| 2018-12-05 | Torino | From Möbius inversion to renormalisation [Abstract] |
| 2018-11-14 | CDR Renormalisation (Clermont-Ferrand) | The incidence comodule bialgebra of the Baez-Dolan construction [Abstract] |
| 2018-07-14 | International Category Theory Conference 2018 (Ponta Delgada) | Infinity-operads as polynomial monads [Abstract] |
| 2018-06-14 | Structures in local quantum field theory (Les Houches) | Polynomial functors and combinatorial Dyson-Schwinger equations |
| 2017-09-29 | Categories for homotopy theory and rewriting (Luminy) | Infinity-operads as polynomial monads [Abstract] |
| 2017-09-22 | UAB Topology Seminar | Infinity-operads as polynomial monads |
| 2017-09-05 | OASIS: The Oxford Advanced Seminar on Informatic Structures | Infinity-operads as polynomial monads [Abstract] |
| 2017-06-30 | Homotopical Methods in Algebra, Geometry and Topology (Malaga) | Infinity-operads as polynomial monads |
| 2017-06-16 | UAB Topology Seminar | Combinatorial Dyson-Schwinger equations and polynomial functors |
| 2017-05-08 | Aarhus | Combinatorial Dyson-Schwinger equations and polynomial functors [Abstract] |
| 2017-05-08 | Aarhus (QGM) | Point-free topology and Hochster duality in derived categories [Abstract] |
| 2017-05-02 | Copenhagen | Decomposition spaces, incidence algebras, and Möbius inversion [Abstract] |
| 2016-06-25 | Higher-Dimensional Rewriting and Applications (Porto) | Open graphs and hypergraphs |
| 2016-06-02 | Paris XIII | Faa di Bruno for operads and internal algebras |
| 2016-05-22 | PSSL100 (Cambridge) | Faa di Bruno for operads [Abstract] |
| 2016-05-13 | UAB Topology Seminar | Notions of support |
| 2016-05-06 | UAB Topology Seminar | Pointfree topology |
| 2016-04-21 | Barcelona Spring 2016 Workshop on Number Theory and K-theory | From zeta functions to Waldhausen's S-construction |
| 2016-02-19 | Max Planck | Combinatorial Dyson-Schwinger equations, polynomial functors and inductive types |
| 2016-01-27 | Categories, Homotopy and Rewriting (Toulouse) | Decomposition spaces, incidence algebras, and Möbius inversion [Abstract] |
| 2015-12-07 | Mathematical Physics Seminar (Berlin) | Polynomial functors and combinatorial Dyson-Schwinger equations [Abstract] |
| 2015-09-10 | Category Theory and Algebraic Topology (Louvain-la-neuve) | From quasitoposes to infinity quasitoposes [Abstract] |
| 2015-06-02 | Stockholm | Decomposition spaces, incidence algebras and Möbius inversion [Abstract] |
| 2015-05-19 | 21st International Conference on Types for Proofs and Programs, TYPES 2015 (Tallinn) | Polynomial functors: a general framework for induction and substitution [Abstract] |
| 2015-05-07 | YaMCATS (Leeds) | Three lectures on polynomial functors [Abstract] |
| 2015-04-21 | Workshop on Brave New Algebra: opening perspectives (Barcelona) | Point-free topology and Hochster duality in derived categories [Abstract] |
| 2015-04-10 | Homotopical Algebra and Geometry (Lancaster) | Rudiments of Homotopy Combinatorics [Abstract] |
| 2015-03-25 | Australian Category Seminar | Schmitt's restriction species, and a related general construction of decomposition spaces |
| 2015-03-18 | Australian Category Seminar | Decomposition spaces and incidence algebras |
| 2015-03-11 | Australian Category Seminar | Graphs, hypergraphs and properads, part 2 |
| 2015-03-04 | Australian Category Seminar | Graphs, hypergraphs and properads |
| 2015-02-25 | Australian Category Seminar | Joyal theorems for homotopical species |
| 2015-01-13 | Tropical Seminar | Valuations, supports, point-free topology, and constructive algebraic geometry |
| 2014-10-12 | PSSL96 (Palermo) | Point-free topology and Hochster duality in derived categories [Abstract] |
| 2014-09-26 | Dyson-Schwinger Equations in Modern Mathematics & Physics (ECT*, Trento) | Polynomial fixpoint equations and bialgebras of inductive datatypes [Abstract] |
| 2014-07-15 | Homotopical Algebra Summer Days (Barcelona) | Graphs, hypergraphs, and properads [Abstract] |
| 2014-07-01 | International Category Theory Conference 2014 (Cambridge) | Decomposition spaces, incidence algebras and Möbius inversion [Abstract] |
| 2014-06-04 | Workshop on constructive mathematics and models of type theory (Paris) | Univalence in locally cartesian closed infinity-categories [Abstract] |
| 2014-05-20 | Journées de la Fédération de recherche en mathématiques de Paris-Centre | Combinatorial Dyson-Schwinger equations, polynomial functors, and operads of Feynman graphs [Abstract] |