Talks

Research talks

• Atlantic Category Theory Seminar: Iterated spans in higher-categorical algebra (18/11/2025)
• MPIM Bonn Abstract Homotopy Theory seminar: Codiscrete cofibrations vs iterated discrete fibrations for (∞,ℓ)-congruences (18/09/2025)
• International Category Theory Conference 2025, Codiscrete cofibrations vs. iterated discrete fibrations for (∞,ℓ)-profunctors and ℓ-congruences (14/07/2025)
• Stockholm Logic Seminar: Codiscrete cofibrations vs. iterated discrete fibrations for (∞,ℓ)-congruences (07/05/2025)
• University of Iowa Topology Seminar: Categorical spectra as (∞,ℤ)-categories (27/02/2025)
• Texas Tech and Wichita State University Topology and Geometry seminar: Categorical spectra and ℤ-categories (19/11/2024)
• Conference “An invitation to derived geometry” (Padova): Higher-categorical logarithmic structures from higher Brauer groups (02/09/2024)
• KTH Algebra & Geometry seminar: ω-categories are algebras in infinitely iterated spans (07/02/2024)
• Uppsala Universitet Geometry and Topology seminar: Symmetric 2-Segal conditions for shifted cotangent groupoids (26/10/2023)
• LAMFA Groups, Algebra and Topology seminar: Symmetric 2-Segal objects for shifted cotangent groupoids (04/05/2023)
• Workshop “Homotopical Methods in Algebraic Geometry” (IHP, Paris): Brane actions for operads of (stacky) curves (01/03/2023)
• IRMA Algebra and Topology seminar: Brane action for categorified orbifold Gromov–Witten invariants (14/02/2023)
• University of Louisiana at Lafayette Topology seminar: Monoidal envelopes for dendroidal spaces (10/02/2023)
• Workshop on “Structures in Enumerative Geometry” (Sheffield): Derived geometric CohFT for orbifold quasimap theory (27/01/2023)
• KTH Algebra & Geometry seminar: Derived geometric Field Theory for orbifold quasimap theory (25/01/2023)
• LAREMA Algebraic Geometry and Topology seminar: Shifted cotangent groupoids and higher Segal conditions (09/12/2022)
• Minicourse on derived geometry at the University of Sheffield: Virtual classes and derived moduli stacks (09/03/2022)
• IMT “Homotopie en géométrie algébrique” seminar: Théorie géométrique des champs pour les invariants de Gromov–Witten champêtres (23/11/2021)
• KIAS Weekly Geometry Seminar: Categorification of the quantum Lefschetz principle (04/02/2021)
• IMAG Algebraic Geometry, Algebraic Topology and Algebra seminar: Catégorification du principe de Lefschetz quantique (22/10/2020)
• LAREMA Algebraic geometry seminar: Categorification of the quantum Lefschetz principle (15/10/2020)
• IMJ-PRG Summer School 2019, poster: Towards wall-crossing for categorified quasimap CohFTs
• ANR CatAG starting conference, Wall-crossing for quasimap CohFTs (06/12/2018)

Learning seminars

• Learning seminar on absolute prismatic cohomology:
• The Nygaard filtration (10/02/2025)
• Complexes on the Hodge–Tate divisor and the Sen operator (29/11/2024)
• Learning seminar on Spectral algebraic geometry at KTH:
• Derived vs spectral algebraic geometries (30/04, 08/05/2024)
• Introductory overview talk (05/03/2024)
• KTH & SU Algebraic Geometry arχiv seminar: Infinitesimal derived foliations, after Toën–Vezzosi (10/11/2023, 17/11/2023)
• LAREMA PhD students' seminar: Corecursion (07/12/2023)
• Workshop on Donaldson–Thomas invariants: Categorified DT invariants II: Perverse sheaves of vanishing cycles (11/10/2023)
• Summer school on the irregular Riemann–Hilbert correspondence: Irregular values and the Stokes filtration (23/09/2021)
• Learning seminar on the “Beyond GIT” programme:
• Initial survey talk (24/09/2020)
• Θ-stratifications in moduli stacks (29/01, 05/02, 19/02, 26/02/2021)
• Learning seminar on Donaldson–Thomas theory at University of Sheffield: Formal deformation theory (15/05/2020, 22/05/2020)
• LAREMA PhD students' learning seminar on cohomology in algebraic geometry: Cohomologie dans les catégories dérivées (04/2020–05/2020)
• LAREMA PhD students' seminar: Nouvelle algèbre courageuse (05/11/2019)
• Learning seminar on K3 surfaces at University of Sheffield: Moduli of polarised K3 surfaces (21/10/2019)
• Learning seminar on prismatic cohomology:
• Vecteurs de Witt et correspondance de basculement pour les anneaux perfectoïdes entiers (09/05/2019)
• Cohomologie cristalline des schémas de caractéristique quelconque
• Prismes et anneaux perfectoïdes (03/07/2019)
• Théorèmes de comparaison pour la cohomologie prismatique (10/07/2019)
• UPMC PhD students' learning seminar on motivic homotopy theory and higher categories at IMJ-PRG:
• Objets de codescente et constructions bar (28/02/2020)
• Dualité de Tannaka pour les gerbes algébriques dérivées (19/04/2019)
• Catégories doubles virtuelles (10/04/2019)
• Learning seminar “Structures d'Airy quantiques et récurrence topologique”:
• Construction de fonctions-τ de courbes quantiques par la récurrence topologique (17/01/2019, 29/01/2019)
• Comparison between EO topological recursion and quantum Airy structures (26/02/2019, section 3 of above)
• LAREMA PhD students' seminar: Enrichments for higher categories (12/10/2018)

Conferences attended

• Category Theory 2025, Brno, 13/07/2025–19/09/2025
• Quantization in Representation Theory, Derived Algebraic Geometry, and Gauge Theory, SwissMap RS Les Diablerets, 16/09/2024–20/09/2024
• An invitation to derived geometry, Università di Padova, 02/09/2024–06/09/2024
• (∞,n)-categories and their applications, Utrecht university, 15/04/2024–10/04/2024
• CATS7, CIRM, Marseille, 16/10/2023–20/10/2023
• Category Theory 2023, Louvain-La-Neuve, 02/07/2023–08/07/2023
• Higher structures in enumerative geometry, IHP, Paris, 12/06/2023–16/06/2023
• GAP 2023 — Homotopy Algebras and Higher Structures, IHP, Paris, 22/05/2023–26/05/2023
• Homotopical Methods in Algebraic Geometry, IHP, Paris, 01/03/2023–03/03/2023
• Structures in Enumerative Geometry, University of Sheffield, 23/01/2023–27/01/2023
• GDR Topologie, Université de Nantes, 24/10/2023–27/10/2023
• Workshop on Donaldson–Thomas invariants, Centre Paul Langevin, Aussois, 09/10/2023–14/10/2023
• Young Topologists Meeting 2022, Københavns Universitet, 18/07/2022–22/07/2022
• CATS60, IMT, Toulouse, 20/06/2022–24/06/2022
• Logic and Higher Structures, CIRM, Marseille, 21/02/2022–25/02/2022
• Summer School — Irregular Riemann–Hilbert Correspondence, Centre Paul Langevin, Aussois, 19/09/2021–24/09/2021
• Hausdorff School: Perverse Sheaves in Enumerative Geometry, Universität Bonn, 10/02/2020–14/02/2020
• IMJ-PRG Summer school 2019: New Perspectives in Gromov–Witten Theory, IMJ-PRG, Paris, 03/06/2019–07/06/2019
• GDR Singularités et applications 2019 meeting: Hodge ideals and mixed Hodge modules, LAREMA, Angers, 01/04/2019–05/04/2019
• Winter School on Enumerative Geometry and Modular Forms, Goethe-Universität, Frankfurt, 11/02/2019–15/02/2019
• ANR CatAG starting conference, LAREMA, Angers, 05/12/2018–07/12/2018
• CATS5, Museu Nacional de História Natural e da Ciência, Lisbon, 26/09/2018–05/10/2018
• Workshop on Degenerate Contributions to Enumerative Invariants, Imperial College, London, 30/07/2018–03/08/2018
• Séminaire de mathématiques supérieures (SMS) 2018: Derived Geometry and Higher Categorical Structures in Geometry and Physics, Fields Institute, Toronto, 11/06/2018–22/06/2018