3 papers
math.CT2026
Sphericalization and the Universal Spherical Adjunction
Fernando Abellán, Jonte Gödicke
For every adjunction of stable -categories -- or more generally, in any locally stable -category -- we give a simple procedure for inverting the twist and cotwi…
math.AT2025
An -Category of 2-Segal Spaces
Jonte Gödicke
Algebra objects in -categories of spans admit a description in terms of -Segal objects. We introduce a notion of span between -Segal objects and extend this correspon…
math-ph2024
Simons Lectures on Categorical Symmetries
Davi Costa, Clay Córdova, Michele Del Zotto +10
Global Categorical Symmetries are a powerful new tool for analyzing quantum field theories. This volume compiles lecture notes from the 2022 and 2023 summer schools on Global Categ…