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arXiv · 2412.20333

Causally Disjoint Discs: Another $\mathbb{E}_n$-operad

Ryan Grady
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Abstract

Motivated by (perturbative) quantum observables in Lorentzian signature we define a new operad: the operad of causally disjoint disks. In order to describe this operad we use the orthogonal categories of Benini, Schenkel, and Woike and the prefactorization functor of Benini, Carmona, Grant-Stuart, and Schenkel. Along the way we extend these constructions to the topological setting, i.e., (multi-)categories enriched over spaces.

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BibTeXRIS

Ryan Grady. 2024-12-29. Causally Disjoint Discs: Another $\mathbb{E}_n$-operad. https://arxiv.org/abs/2412.20333

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