Seminars, conference talks, and departmental talks, listed in reverse chronological order. This includes the weekly Oxford Topology Advanced Class sessions and internal Oxford Symmetry Meetings (OWSM).
2026
- The Category of Solitonic Representations of Conformal NetsJuly 2026 · Quasicrystals in Fundamental Physics, ICMS Edinburgh
- Constructing Fully Extended 2d Chiral CFTsJune 2026 · Global Categorical Symmetries 2026, Institut Henri Poincaré, Paris
- Constructing 0- and 1-dimensional part of Segal Chiral CFTsMay 2026 · Topology Seminar, University of Oxford
- Higher Operator Algebraic Structures: Categorified Analogues of Hilbert Spaces and von Neumann AlgebrasMay 2026 · Higher Differential Geometry, Greifswald
- Segal and co-Segal Nature of Bordism Categories with Topological DefectsMay 2026 · Diagrammatic Math Club (organised by Chris Douglas)
- Conformal Nets to Unitary VOAs and Back, Following [CKLW18] (VOAs → Conformal Nets) and [HT25] (Conformal Nets → VOAs)Trinity Term 2026 · Topology Advanced Class on Conformal Nets and Chiral CFTs, Oxford
- Higher Categorical Analogues of Functional Analytic StructuresApril 2026 · York Mathematical Physics Seminar, University of York
- Fully Extended Segal Unitary Chiral CFTs from Conformal NetsJanuary 2026 · Geometric and Category-Theoretic Approaches to Conformal Field Theory, CMI–BIRS Workshop
- Category Theoretic Methods in QFTJanuary 2026 · Women at the Intersection of Mathematics and Theoretical Physics (WIMP), ICTS, Bangalore
2025
- Functorial Chiral Conformal Field TheoryDecember 2025 · Algebra and Topology Seminar, University of Copenhagen
- Functorial Description of Chiral CFTsNovember 2025 · Research Seminar Algebra / Geometrie / Topologie, Universität Greifswald
- Categories for the Working Physicist; Chiral Conformal Field TheoryAugust 2025 · High Energy Physics and String Theory Seminar, IIT Kanpur — two talks
- 'Categorifying' von Neumann Algebras and their ModulesOctober 2025 · Journées de topologie quantique, Paris
- Bicommutant Categories from Conformal NetsSeptember 2025 · Operator Algebras and Mathematical Physics, ICMS, Edinburgh
- My Favourite ThingsSeptember 2025 · Higher Structures: Recent Developments and Applications, Hamburg
- (Solitonic) Representation Categories of Conformal NetsMay 2025 · LMS South West and South Wales Regional Meeting and Workshop 2025, Cardiff
- Bicommutant Categories from Conformal NetsApril 2025 · Texas Tech Topology and Geometry Seminar
- Chiral Conformal Field TheoriesApril 2025 · SEMPS (South East Mathematical Physics Seminar), funded by LMS, University of Hertfordshire
- Chiral Conformal Field TheoriesMarch 2025 · Geometry and Mathematical Physics Seminar, University of Birmingham
- Functorial Field TheoriesMarch 2025 · Oxford Women and Non-Binary People in Mathematics Day, Pathways to Progress, Oxford
- Models for 2-Hilb and 3-Hilb, W*-Categories and Bicommutant CategoriesFebruary 2025 · European Quantum Algebra Lectures (EQuAL) (online)
- Bicommutant Categories from Conformal NetsJanuary 2025 · University of Oxford, Functional Analysis Seminar
2024
- W*-Categories, Bicommutant Categories and Solitons from Conformal Nets2024 (exact date not listed) · Geometry, Algebra, Mathematical Physics and Topology Seminar, Cardiff University
- Towards Models for 2-Hilb and 3-Hilb as Targets for Functorial Field TheoriesNovember 2024 · University of Hertfordshire, Mathematics and Theoretical Physics Seminar
- Pre-factorisation Algebras from Free Field TheoriesOctober 2024 · Topology Advanced Class on Factorisation Algebras and Factorisation Homology, Oxford — construction of the pre-factorisation algebra associated to a free classical field theory, and its quantisation to the pre-factorisation algebra for the associated free quantum field theory
- Functoriality of Quantum DimensionSeptember 2024 · Day 4, Scottish Talbot on Algebra and Topology — Higher Tensor Categories and Extensions, Glenmore, Scotland — based on Minimal Nondegenerate Extensions
- Naturality of Chern–Weil Forms and Homotopy TheoryMay 2024 · Topology Advanced Class on Smooth Differential Cohomology, Oxford
- Bicommutant Categories — DefinitionMarch 2024 · Workshop on New Directions in Conformal Field Theory, Hamburg
- Bicommutant Categories from Conformal NetsJanuary 2024 · CFT 3 Ways: Integrable, Probabilistic, and Supersymmetric, SwissMAP Research Station, Les Diablerets
- Towards Construction of Fully Extended Chiral Conformal Field Theories from Conformal NetsJanuary 2024 · AQFTUK, University of Nottingham
2023
- Overview of Von Neumann Algebras, Conformal Nets and their Relation to Unitary VOAsNovember 2023 · OWSM (Oxford Symmetry Meeting)
- Poincaré Duality Revisited in Abstract Six-Functor FormalismOctober 2023 · Topology Advanced Class on Six-Functor Formalism (Scholze), Mathematical Institute, Oxford
- An (∞, d)-Category of QFTs and Topological InterfacesAugust 2023 · Categorical Symmetries in Quantum Field Theory (School and Workshop), SwissMAP Research Station, Les Diablerets
- Conformal Nets, Functorial CFTs and DefectsJune 2023 · Hausdorff School on TQFTs and their Connections to Representation Theory and Mathematical Physics, Hausdorff Centre for Mathematics, Bonn
- Spans 2May 2023 · Topology Advanced Class on the AKSZ Construction of TQFTs, Oxford — showed that each object in the (∞, n)-category of n-fold spans is fully dualisable, and sketched the case of Lagrangian correspondences of shifted symplectic derived stacks; based on Iterated Spans and Classical Topological Field Theories
- Introduction to (∞, n)-Categories and Cobordism; Overview of Topological Defects in Field TheoriesMarch 2023 · Oxford Symmetry Meeting (OWSM)
2022
- Hopf Algebra Objects and Related Constructions in Tensor CategoriesNovember 2022 · Topology Advanced Class on Modular Categories and TQFTs Beyond Semisimplicity, Oxford — based on Extended TQFTs from Non-Semisimple Modular Categories
- FFRS Construction of RCFT Correlators from TQFT — ConstructionMay 2022 · Topology Advanced Class on FFRS Construction of RCFT Correlators from TQFT, Oxford — based on TFT Construction of RCFT Correlators I: Partition Functions
2021
- Backprop is a FunctorDecember 2021 · Ard Louis Research Group, Oxford — based on Backprop as Functor: A Compositional Perspective on Supervised Learning
- Introduction to Categories for PhysicistsDecember 2021 · Ard Louis Research Group, Oxford — two talks introducing categories and symmetric monoidal categories to physicists
2020
- Super-Symmetric QFT and Integral Modular FunctionsDecember 2020 · Research Group Jürgen Jost, Max Planck Institute for Mathematics in the Sciences, Leipzig — a version was also given for physicists at IIT Kanpur as part of the course "Introduction to Conformal Field Theory"; based on Supersymmetric Field Theories and Generalized Cohomology
- CFT and Elliptic CohomologyOctober 2020 · Indian Institute of Technology Kanpur — given as part of the course "Introduction to Conformal Field Theory"
- Entanglement in Topological Quantum Field Theories and ComplexityJune 2020 · Indian Institute of Technology Kanpur — given as part of the course "Quantum Chaos"
- Statistical Physics Methods in Cognitive Neuroscience: Critical BrainFebruary 2020 · Indian Institute of Technology Kanpur — given as part of the course "Topics in Cognitive Neuroscience"
2018–2019
- Gauge Theory and KnotsDecember 2019 · Indian Institute of Technology Kanpur
- Topology and Materials ScienceAugust 2018 · Indian Institute of Technology Kanpur — popular science talk given in the Department of Materials Science and Engineering