Selected Works

Quantum NonlocalityOperator Algebras

Quantum tree networks: complete semidefinite hierarchies and the source-transfer model

Quantum FoundationsQuantum Nonlocality

Fermions are fundamentally more nonlocal than Bosons

Publications and Preprints

2026

[10]

Quantum tree networks: complete semidefinite hierarchies and the source-transfer model

Xiangling Xu, Igor Klep, Marc-Olivier Renou

Cite arXiv

[9]

Fermions are fundamentally more nonlocal than Bosons

Fatemeh Moradi Kalarde, Sadra Boreiri, Xiangling Xu, Lucas Tendick, Salman Beigi, Paolo Perinotti, Tommaso Guaita, Marc-Olivier Renou

Cite arXiv Slides Poster

[8]

The bulk spectral gap is semi-decidable: a convergent family of certified upper bounds

Xiangling Xu, Matthias Schötz, Jie Wang, Victor Magron, Igor Klep, Omar Fawzi, Marc-Olivier Renou

Cite arXiv Slides Poster

[7]

Comment on "Quantum theory based on real numbers cannot be experimentally falsified": On the compatibility of physical principles with information theory for fermions

Fatemeh Moradi Kalarde, Xiangling Xu, Marc-Olivier Renou

Cite arXiv

[6]

Two convergent NPA-like hierarchies for the quantum bilocal scenario

Marc-Olivier Renou, Xiangling Xu, Laurens T. Ligthart

Journal of Mathematical Physics

Cite DOI arXiv Slides

2025

[5]

Quantitative quantum soundness for all multipartite compiled nonlocal games

Matilde Baroni, Igor Klep, Dominik Leichtle, Marc-Olivier Renou, Ivan Šupić, Lucas Tendick, Xiangling Xu

Cite arXiv Slides

[4]

Quantitative Tsirelson's Theorems via Approximate Schur's Lemma and Probabilistic Stampfli's Theorems

Xiangling Xu, Marc-Olivier Renou, Igor Klep

Cite arXiv

[3]

Quantitative Quantum Soundness for Bipartite Compiled Bell Games via the Sequential NPA Hierarchy

Igor Klep, Connor Paddock, Marc-Olivier Renou, Simon Schmidt, Lucas Tendick, Xiangling Xu, Yuming Zhao

Cite arXiv Slides

2023

[2]

On the kinematic morphology around haloes

Xiaolin Luo, Xiangling Xu, Xin Wang

Monthly Notices of the Royal Astronomical Society

Cite DOI arXiv

[1]

Quantum Nonlocality in Bilocal Networks: An Operator Algebraic Perspective

Xiangling Xu

ETH Library Research Collection

Cite DOI