Bulk Reconstruction of Infinite-Dimensional von Neumann Algebras using a Generalised Reference State

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• Sebastian Flad (University College Dublin)
• Thursday 03 July 2025, 10:10-10:30
• External.

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TGAW01 - Crossed products and groupoid C*-algebras

For more than a decade, the AdS/CFT correspondence has been studied using the machinery of quantum error correction, with holographic tensor network codes developed to rigorously explore key features of subregion bulk reconstruction in a discretised context. However, comparatively little attention has been paid until recently to applying these tools within an infinite-dimensional operator algebraic framework, despite this being a natural setting for formulating QFT . In this talk, I will provide a brief overview of the field and present preliminary work generalising a toy model of an approach by Kang et al. [Phys. Rev. 2021], along with a classification result. This is joint work with my supervisor Rupert Levene. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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