Emily Roff

Some titles link to slides. Talks in italics are forthcoming.

Invited talks

06.2025 [Title TBC] Topology InterCity Seminar Utrecht
12.2024 Homotopy by degrees, and the magnitude-path spectral sequence Topology Seminar Göttingen
11.2024 Homotopy by degrees, and the magnitude-path spectral sequence Topology Seminar EPFL, Lausanne
11.2024 Bigraded path homology and the magnitude-path spectral sequence AATRN Networks Seminar Online
10.2024 Homotopy by degrees, and the magnitude-path spectral sequence Topology Seminar Sheffield
07.2024 Bigraded path homology and the magnitude-path spectral sequence Special Session on Discrete Algebraic Topology, AMS-UMI Joint Meeting Palermo
05.2024 Entropy, diversity and magnitude: a survey, with questions Dynamical Systems Seminar Kyoto
04.2024 Bigraded path homology and the magnitude-path spectral sequence Topology Seminar BIMSA, Beijing
07.2023 What is the shape of a network? SIAM Minisymposium on Magnitude Eindhoven
05.2023 (Two untitled talks) Beyond Finite Sets—Homotopy Theory and Combinatorics Copenhagen
01.2023 Magnitude homology of enriched groups Topology Seminar Aberdeen
12.2022 What are higher-order roles in social systems? SYCO 10 Edinburgh
04.2022 Magnitude homology, normed groups, and holes in the plane Algebra, Geometry and Combinatorics Seminar TU Dresden
06.2021 Magnitude homology and iterated enrichment Postgraduate Forum Lancaster
05.2021 Magnitude homology of semidirect products and "spheres" MiaowMiaow Bi/Double-Categorical Seminar Sheffield
11.2020 Maximum entropy, uniform measure ML@CL Machine Learning Seminar Cambridge
06.2020 Magnitude homology, from scratch Pure Postgraduate Seminar Southampton
12.2019 Diversity and magnitude LMS Applied Algebra and Geometry Research Network Oxford
04.2019 The magnitude and diversity of a metric space TopApp Workshop IST Austria

Contributed talks

08.2024 The bigraded path homology of a directed graph (poster) SPIRES 2024 Oxford
06.2024 Reachability homology and the magnitude-path spectral sequence Category Theory 2024 Santiago de Compostela
12.2023 Iterated magnitude homology Magnitude 2023 Osaka
05.2022 Magnitude homology in Euclidean space PSSL 106 Brno
08.2021 Magnitude homology and iterated enrichment Category Theory 20–>21 Genova
06.2021 Magnitude homology and iterated enrichment Categories and Companions Symposium Macquarie
07.2019 The maximum diversity of a compact metric space Magnitude 2019 Edinburgh

Local seminar talks

01.2025 Homotopy by degrees and the magnitude-path spectral sequence The Maxwell Institute Structure and Symmetry Day Edinburgh
07.2024 Entropy, diversity and magnitude Count Me In Colloquium (for undergraduates) Edinburgh
11.2023 Reachability homology and the magnitude-path spectral sequence Topology Seminar Osaka
02.2023 Magnitude, diversity, homology. A survey, with questions Analysis Seminar Edinburgh
10.2021 Return of the alley cats: 10 minutes of magnitude The Categorical Late Lunch Edinburgh
08.2021 What is a hole in a locally metric category? The Categorical Late Lunch Edinburgh
11.2019 Hochschild homology for enriched categories Hodge Club Edinburgh
04.2019 The magnitude of an enriched category GEARS Seminar Edinburgh
03.2019 Diversity: developments in the biology of mathematics Hodge Club Edinburgh
01.2019 Building complexes from point clouds Persistent Homology Working Seminar Edinburgh
03.2018 Commutative monads Part III Seminar Cambridge